Can you help by answering this question?

An electric bulb explodes when it is broken because...

16 views
in Instrumentation and control by
The maximum phase lead is contributed by a phase lead network at: - a) mid corner frequency b) lower corner frequency c) upper corner frequency d) phase corner frequency

Your answer

Thanks for your contribution. Feel free to answer this question. Please avoid short answer. Your answer is most welcome. Be genuine.

Upload image or document:

Your name to display (optional):
Privacy: Your email address will only be used for sending these notifications.
Anti-spam verification:
Are you a robot ? (Y = Yes / N = No)
To avoid this verification in future, please log in or register.

1 Answer

0 votes
by

The maximum phase lead is contributed by a phase lead network at: -  mid corner frequency

Related questions

1 answer 6 views

A phase lag lead network introduces in the output?

asked Mar 27, 2018 in Control System by Shimroz123
0 answers 18 views

At maximum efficiency of a single-phase transformer, the load power factor is (A) unity (B) lagging (C) leading (D) zero 

asked Jun 4, 2018 in Single phase transformer by Shimroz123
0 answers 26 views

At a slip of 4%, maximum possible speed of a 3-phase squirrel cage induction motor is   (a) 2880 rpm (b) 3000 rpm (c) 1500 rpm (d) 1440 rpm  

asked Apr 10, 2018 in Electrical Engineering by Shimroz123
1 answer 11 views

 In a household single phase induction type wattmeter, the meter can be reversed by: - a) reversing the supply terminals b) reversing the load terminal c) opening the meter connection and reversing either the potential coil terminals or current coil terminals d) opening the meter and reversing the connection of both the potential coil terminals and current coil terminals

asked Apr 14, 2018 in Instrumentation and control by Shimroz123
0 answers 10 views

The transfer function of a phase lead compensator is found to be the form (s+z1 ) / (s + p1 ) and that of a lag compensator to be of the form (s+z2 ) / (s + p2 ). Then which of the following conditions must be satisfied?  (A) z1 > p1 and z2 > p2 (B) z1 > p1 and z2 < p2 (C) z1 < p1 and z2 < p2 (D) z1 < p1 and z2 > p2

asked Apr 5, 2018 in Electrical Engineering by Shimroz123
1 answer 40 views

Two waves have frequency of 500 Hz. One is set at its maximum value whereas the other at zero. The phase angle between them will be

asked Apr 26, 2018 in Electrical Measurements and Instrumentation by Shimroz123
1 answer 15 views

A three-phase cage induction motor is started by direct-on-line (DOL) switching at the rated voltage. If the starting current drawn is 6 times the full load current, and the full load slip is 4%, then ratio of the starting developed torque to the full load torque is approximately equal to (A) 0.24 (B) 1.44 (C) 2.40 (D) 6.00

asked May 17, 2018 in Induction Machine by Shimroz123
1 answer 21 views

In a 3-phase slip-ring induction motor, the slip at some speed is 0.05. The speed is reduced by inserting an external resistance in the rotor circuit and the slip is 0.15. If the rotor winding resistance per phase is 0.2 Ω, the external resistance is (A) 0.2 Ω (B) 0.3 Ω (C) 0.4 Ω (D) 0.5 Ω

asked Apr 28, 2018 in Electrical Machine by Shimroz123
1 answer 25 views

A 6 pole 3-phase wound-rotor induction machine is driven by another machine at 1800 rpm. The rotor of the induction machine is connected to a 50Hz system. If the mechanical rotation of the rotor is in the same direction as the rotor winding flux rotation, then frequency of the stator voltage will be

asked Apr 1, 2018 in Electrical Engineering by Shimroz123
0 answers 14 views

The two corner frequencies of the lead network are : (A) Less than the gain crossover frequency (B) More than the gain crossover frequency (C) On both the sides of the gain crossover frequency (D) Any of the above

asked Apr 14, 2018 in Electrical Engineering by Shimroz123
1 answer 22 views

"Maximum power output is obtained from a network when the load resistance is equal to the output resistance of the network as seen from the terminals of the load". The above statement is associated with?

asked Mar 25, 2018 in Network Analysis by Shimroz123
1 answer 17 views

A simple phase transformer has a maximum efficiency of 90% at full load and unity power factor. Efficiency at half load at the same power factor is  (A) 86.7% (B) 88.26% (C) 88.9% (D) 87.8%

asked May 17, 2018 in Transformer by Shimroz123
1 answer 14 views

A 4-pole induction motor, supplied by a slightly unbalanced three-phase 50 Hz source, is rotating at 1440 rpm. The electrical frequency in Hz of the induced negative sequence current in the rotor is  (A) 100 (B) 98 (C) 52 (D) 48

asked May 17, 2018 in Induction Machine by Shimroz123
1 answer 32 views

A 3-phase, 4-pole, 50Hz induction motor runs at a speed of 1440 rpm. The rotating field produced by the rotor rotates at a speed of ________ rpm with respect to stator field. (A) 1500 (B) 0 (C) 1440 (D) 60

asked Apr 28, 2018 in Electrical Machine by Shimroz123
1 answer 119 views

The torque developed by any 3-phase induction motor at 0.8 p.u. slip is (A) Full-load torque (B) unstable torque (C) starting torque (D) break down

asked Apr 28, 2018 in Electrical Machine by Shimroz123
1 answer 24 views

A network is said to be under resonance when the voltage and the current at the network input terminals are (A) in phase (B) out of phase (C) in phase quadrature (D) in phase, and have equal magnitudes

asked Apr 28, 2018 in Network Analysis by Shimroz123
1 answer 22 views

A closed path made by several branches of the network is known as?

asked Mar 25, 2018 in Network Analysis by Shimroz123
1 answer 30 views

The Q factor of a coil at resonant frequency 1.5 MHz of an RLC series circuit is 150. The Bandwidth is : - a) 225 MHz b) 1.06 MHz c) 10 KHz d) 10 MHz

asked Apr 14, 2018 in Instrumentation and control by Shimroz123
1 answer 10 views

 The effective resistance of a coil at high frequency is more than its de resistance on account of : -  a) Skin effect b) Proximity effects c) Eddy current losses d) All the above

asked Apr 10, 2018 in Instrumentation and control by Shimroz123
1 answer 29 views

The disc of a single phase Induction-type energy meter makes 60 revolutions in 6 minutes. Meter Constant is 1200 rev/kWh. Power consumption in the load is (A) 1.2 kW (B) 1 kW (C) 600 W (D) 500 W

asked Apr 25, 2018 in Instrumentation and control by Shimroz123
1 answer 47 views

The potential coil of a single phase dynamometer wattmeter has 4840 Ohm resistance. Voltage across the load is 220 V. With the potential coil connected on the load side, the meter indicates 100 W. Approximate percentage error due to wattmeter connection is (A) 11% (B) 9% (C) 1.1% (D) 3%

asked Apr 25, 2018 in Instrumentation and control by Shimroz123
1 answer 12 views

The input frequency is 50 Hz. The ripple frequency in a 12 phase full wave rectifier is (A) 1200 Hz (B) 600 Hz (C) 100 Hz (D) 50 Hz 

asked Apr 23, 2018 in Instrumentation and control by Shimroz123
0 answers 87 views

The maximum torque of an induction motor is 200 kg-m at a slip of 12%. The torque at 6% slip would be (a) 100 kg-m (b) 160 kg-m (c) 50 kg-m (d) 40 kg-m  

asked May 25, 2018 in Induction Machine by Shimroz123
0 answers 13 views

If temperature of a radiating body is 1500 °C, the wavelength at which maximum radiant energy occurs is (a) 2.87 µm (b) 1.63 µm (c) 1.01 µm (d) 20.85 µm 

asked May 25, 2018 in Physics by Shimroz123
1 answer 21 views

An 800 kV transmission line has a maximum power transfer capacity of P. If it is operated at 400 kV with the series reactance unchanged, the new maximum power transfer capacity is approximately (A) P (B) 2P (C) P / 2 (D) P / 4

asked May 25, 2018 in Power system by Shimroz123
1 answer 31 views

For a fault at the terminals of a synchronous generator, the fault current is maximum for a  A) 3-phase fault B) 3-phase to ground fault C) Line to ground fault D) Line to line fault

asked May 17, 2018 in Synchronous machine by Shimroz123
2 answers 38 views

The inrush current of a transformer at no load is maximum if the supply voltage is switched on  (1) at peak voltage value (2) at zero voltage value (3) at half voltage value (4) at 0.866 time voltage value

asked Apr 30, 2018 in Switchgear And Protection by Shimroz123
1 answer 28 views

 A transformer has maximum efficiency at 3/4 full load. The ratio of its iron losses and full load copper loss is : -  a) 16/9 b) 4 / 3 c) 3/4 d) 9 /16

asked Apr 11, 2018 in Electrical Engineering by Shimroz123
1 answer 48 views

A step voltage E is applied to a series R-L circuit. The rate of change of current is maximum at t = _:  (1) Zero (2) Infinity (3) L/R (4) R/L 

asked Apr 9, 2018 in Electronics Engineering by Shimroz123
0 answers 26 views

For a fault at terminals of the synchronous generator, the fault current is maximum for a:  (A) Three phase fault (B) Double line to ground fault (C) Line to line fault (D) Line to ground fault  

asked Apr 5, 2018 in Electrical Engineering by Shimroz123
1 answer 15 views

What is the maximum value of a load which consume 500 KWh per day at a load factor of 0.40, if the consumer increases the load factor of 0.50 without increasing the maximum demand? 

asked Mar 27, 2018 in Power system by Shimroz123
1 answer 447 views

A single core cable is designed to work for a single phase system with a peak voltage of 220 kV. The maximum permissible stress in the dielectric is not to exceed 20 kV/mm. For economical size, the overall core diameter of the cable is (A) 28.2 mm (B) 26.4 mm (C) 24.4 mm (D) 22.0 mm

asked Apr 28, 2018 in Electrical Engineering by Shimroz123
1 answer 65 views

If the phase -angle of the voltage coil of a directional relay is 50°, the maximum torque angle of the relay is: (A) 130° (B) 100° (C) 50° (D) 25°

asked Apr 11, 2018 in Computer Engineering by Shimroz123
0 answers 70 views

. If the peak transmitted power in a radar system is increased by a factor of 16, the maximum range will be increased by a factor of : (A) 2 (B) 4 (C) 8 (D) 16

asked Apr 14, 2018 in Electrical Engineering by Shimroz123
0 answers 17 views

In an axial mode operation of a helical antenna, maximum field radiated by the antenna is :  A) along the axis of the helical B) in a plane normal to the helix antenna axis C) in both axial and normal planes D) None of the above

asked Apr 9, 2018 in Electronics communication by Shimroz123
0 answers 21 views

If the antenna diameter in a radar system is increased by a factor of 4, the maximum range will be increased by a factor of  (a) 2 (b) 4 (c) 8 (d) 16

asked Apr 9, 2018 in Electronics Engineering by Shimroz123
1 answer 19 views

The maximum load that a power transformer can carry is limited by its?

asked Mar 19, 2018 in Transformer by Shimroz123
1 answer 21 views

A network that consists of at least a voltage source or current source is called A) Active network B) Ideal network C) Sourced network D) Outsourced network

asked Apr 29, 2018 in Electrical Engineering by Shimroz123
0 answers 11 views

If all transmission zeros of a network are at origin, it is a  A) HPF B) LPF C) BPF D) BEF 

asked Apr 9, 2018 in Electronics Engineering by Shimroz123
1 answer 19 views

In the first Cauer network, with a pole at infinity, the first element must be

asked Apr 23, 2018 in Electrical Engineering by Shimroz123
1 answer 9 views

In a single phase induction energy meter, in order to obtain true value of energy, the shunt magnetic flux should lag behind the applied voltage by   (a) 90o (b) 0o (c) 45o (d) 60o

asked May 13, 2018 in Instrumentation and control by Shimroz123
1 answer 17 views

Intrinsic semiconductor material is characterized by a valence shell of how many electrons? a) 1 b) 2 c) 4 d) 6

asked Apr 14, 2018 in Instrumentation and control by Shimroz123
1 answer 20 views

In wound rotor alternator, reactive power is maximum at a load angle of 

asked May 13, 2018 in Electrical Engineering by Shimroz123
1 answer 34 views

An OP amp has a slew rate of 1V/µs. At a signal frequency of 0.1 MHz, the maximum undistorted sine wave amplitude is (a) 8V (b) 4.82 V (c) 2.02 V (d) 1.592 V

asked Apr 14, 2018 in Electrical Engineering by Shimroz123
0 answers 11 views

In a series RLC circuit at resonance, which of the following quantities attains maximum value ? (A) Current (B) Voltage (C) Power (D) None of the above

asked Apr 14, 2018 in Electrical Engineering by Shimroz123
0 answers 38 views

The maximum torque which a synchronous motor will develop at rest for any angular position of the rotor, at rated stator supply voltage and frequency, is known as?

asked Mar 20, 2018 in Synchronous machine by Shimroz123
1 answer 16 views

The best indication about the state of charge on a lead acid battery is given by_______.

asked May 29, 2018 in Battery by Shimroz123
1 answer 14 views

Which of the following is CORRECT with respect to a LAG-LEAD compensator ? (A) It is similar to PI controller (B) It acts as Band-pass filter (C) It is Second-order system with one zero, and two poles (D) It acts as a Band-reject filter

asked Apr 25, 2018 in Control System by Shimroz123

Welcome to electronics2electrical.com here you can ask questions related to electrical, electronics, mechanical, telecommunication, instrumentation, computer, mathematics, physics etc.
Be respectful to all the members. Do not copy and paste the answers from other websites which have copyright content. While asking question give full details about it.

Categories

Most popular tags

power motor dc circuit transformer voltage current used system phase resistance factor synchronous load ac energy induction electric generator series frequency between speed capacitor use electrical meter line difference control type mosfet transmission magnetic plant high single instrument bjt unit source advantages function diode and machine winding field define torque parallel amplifier supply shunt thyristor motors electricity arduino maximum time relay armature problem value on transformers types coil diagram state flow ratio material three formula starting direction theorem method emf operating efficiency digital wave microprocessor test instruments inductance loss measure operation connected signal low applications effect single-phase network temperature working constant losses different law wattmeter measuring compare controlled breaker drive device logic rc full switch flux wire resistivity disadvantages free of materials machines angle force converter conductor transistor gain open protection scr core measurement number bridge principle generators reactance circuits negative the friction iron loop short pole battery conservation steam resistors hysteresis computer using analog lines secondary station gate a rectifier inverter linear induced relays nuclear capacitance basic characteristics design direct work rotor electronics ammeter forces diesel damping rlc connection factors capacitors minimum insulation moving regulation running self systems air fault range main stability quality starter igbt eddy alternator ideal rl average 3-phase plants arc thermal error fuzzy biasing dielectric pressure balanced superposition errors copper rotation feedback impedance measured electronic electrons charge inductive transfer explain start off back curve over solar is three-phase tariff locomotive peak bias zener engineering commutator surge conductors rating universal potentiometer density permanent mechanical transducer capacity memory adc excitation two fuse pure harmonics application semiconductor inductor internal pmmc reaction welding resonance traction permeability breakers rms designed electromagnetic si generation brushes switching capacitive shaded rate 1 distribution resistor methods delta star oscillator reluctance simplification algebra 8085 boolean weston dynamometer insulating strength installation definition fuel heating earth units

8,530 questions

7,129 answers

135 comments

3,090 users

...