Can you help by answering this question?

What is the difference between a sensor and a transducer?

67 views
in Electrical Engineering by
If one of the control springs of PMMC ammeter is broken when it is connected in a circuit, the meter will read 

A) Half the correct value of current B) Twice the correct value of current C) An indefinite figure D) Zero

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.

Related questions

0 answers 41 views

If an energy meter disc makes 10 revolutions in 100 seconds when a load of 450W is connected to it, the meter constant in revolutions per kWh is  A) 1000 B) 500 C) 1600 D) 800

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

Which of the following will happen if a voltmeter is connected like an ammeter in series to the load ? (A) There will be almost no current in the circuit. (B) The meter will burn. (C) The measurement will be trio high. (D)  A very high current will flow.

asked May 12, 2018 in Electrical Engineering by Shimroz123
0 answers 32 views

What will happen if a voltmeter is connected like an ammeter in series of the load ? (a) The meter will burn out. (b) The measurement will be too high. (c) The same current will flow as would have been with ammeter in circuit. (d) There will be almost no current in the circuit. 

asked May 26, 2018 in Electrical Measurements and Instrumentation by Shimroz123
1 answer 18 views

 A 0 -10 mAPMMC ammeter reads 5 mA in a circuit; its bottom control spring snaps out suddenly the meter will now read:- a) 5 mA b) 10 mA c) 2.5 mA d). 0

asked Apr 14, 2018 in Instrumentation and control by Shimroz123
1 answer 29 views

A reading of 120 is obtained when a standard inductor was connected in the circuit of a Q-meter and the variable capacitor is adjusted to a value of 300 pF. A lossless capacitor of unknown value Cx is then connected in parallel with the variable capacitor and the same reading was obtained when the variable capacitor is readjusted to a value of 200 pF. The value of Cx in pF is  A) 100 B) 200 C) 300 D) 500

asked May 20, 2018 in Electrical Measurements and Instrumentation by Shimroz123
2 answers 28 views

Three lamps are connected in parallel across a 120 Volt source. If one lamp burns out, the remaining two will be: A. Glow dimmer B. Glow brighter C. Not light D. Glow with the same brightness as before

asked Apr 12, 2018 in Electrical Engineering by Shimroz123
1 answer 60 views

To read or write a complete word from / to the memory in 8086 microprocessor and if it is located at an even address, the number of Read or Write cycles required is

asked May 23, 2018 in Microprocessors and Microcontrollers by Shimroz123
0 answers 14 views

If a dynamometer wattmeter is connected in an ac circuit, the power indicated by the wattmeter will be (a) volt-ampere product (b) average power (c) peak power (d) instantaneous power 

asked May 26, 2018 in Electrical Measurements and Instrumentation by Shimroz123
0 answers 11 views

An electric bulb explodes when it is broken because  A) The bulb’s surface is thin and easily fragmented B) The bulb contains lethal gases which comes out rushing C) The bulb contains vacuum and air rushes in when it breaks D) The bulb expels the sound due to electric charge inside

asked Apr 9, 2018 in Electrical Engineering by Shimroz123
1 answer 18 views

What amount of current will flow through resistance of 10 ohms when it is connected across a potential difference of 20 volts? A.30 amperes B.5 amperes C.10 amperes D.2 amperes

asked May 15, 2018 in Basic concepts by Shimroz123
0 answers 20 views

One 200 V, 100 W bulb is connected in series with primary of a 200 V, 10 kVA transformer. If its secondary is kept open circuited, then the bulb would have (1) Full brightness (2) Poor brightness (3) A little less than full brightness (4) More than full brightness 

asked Apr 11, 2018 in Electrical Engineering by Shimroz123
0 answers 19 views

The full scale range of PMMC voltmeter is 100 V and its sensitivity is 1000 Ω/V. If the meter reads 50 V, the current through the voltmeter is (A) 0.05 mA (B) 0.5 mA (C) 5 mA (D) 50 mA 

asked Jun 4, 2018 in Electrical Measurements and Instrumentation by Shimroz123
1 answer 20 views

When one leg of parallel circuit is opened out the total current will?

asked Mar 25, 2018 in Basic concepts by Shimroz123
0 answers 44 views

When a resistor R is connected to a current source, it consumes a power of 18 W. When the same R is connected to a voltage source having the same magnitude as the current source, the power absorbed by R is 4.5 W. The magnitude of the current source and the value of R are  (A) √18A and 1Ω (B) 3A and 2Ω (C) 1A and 18Ω (D) 6A and 0.5Ω 

asked Apr 5, 2018 in Electrical Engineering by Shimroz123
0 answers 31 views

A single phase energy meter has a constant of 1200 revolution/kWh. When a load of 200 W is connected, the disc rotates at 4.2 revolutions per min. If the load is on for 10 hours, the meter records an excess of   (a) 0.1 kWh (b) 0.2 kWh (c) 1.0 kWh (d) 2.0 kWh 

asked Apr 10, 2018 in Electrical Engineering by Shimroz123
0 answers 70 views

The power in a 3-phase load is measured by two watt meters. If one watt meter reads zero, then the load power factor is (A) Zero (B) 0.5 (C ) 0.866 (D) unity 

asked Jun 4, 2018 in Electrical Measurements and Instrumentation by Shimroz123
1 answer 13 views

What will happen if the primary of a transformer is connected to D.C. supply?  (A) Transformer will operate with low efficiency (B) Transformer will operate with high efficiency (C) No effect (D) Transformer may start to smoke and burn 

asked May 8, 2018 in Electrical Engineering by Shimroz123
1 answer 13 views

When an alternating potential is applied to a capacitor, the current in the circuit will  1. lead the applied potential 2. lag the applied potential 3. be in phase with the applied potential 4. none 

asked May 13, 2018 in Electrical Engineering by Shimroz123
1 answer 79 views

The power consumed in a circuit element will be least when the phase difference between the current and voltage is?

asked Mar 24, 2018 in Electrical Engineering by Shimroz123
1 answer 26 views

If resistance is 20 Q. and inductance is 27 in a R-L series circuit, then time constant of this circuit will be?

asked Mar 25, 2018 in Electrical Engineering by Shimroz123
1 answer 44 views

The meter which does not have any component in it to provide control torque is (A) Electrodynamometer for current measurement (B) Electrodynamometer for voltage measurement (C) Electrodynamometer for power measurement. (D) Electrodynamometer for power factor measurement.

asked Apr 28, 2018 in Electrical Measurements and Instrumentation by Shimroz123
0 answers 16 views

A series RLC circuit resonate at 200 Hz. If the capacitance is increased to four times, the circuit will be in resonance at   (a) 100 Hz (b) 200 Hz (c) 400 Hz (d) 800 Hz  

asked Apr 10, 2018 in Electrical Engineering by Shimroz123
1 answer 135 views

In a pure capacitive circuit if the supply frequency is reduced to 1/2, the current will?

asked Mar 25, 2018 in Electrical Engineering by Shimroz123
1 answer 47 views

In a pure inductive circuit if the supply frequency is reduced to 1/2, the current will?

asked Mar 25, 2018 in Electrical Engineering by Shimroz123
3 answers 52 views

what will be the capacitance if three capacitors connected in parallel each having value of 0.5 micro Farad ?

asked Dec 11, 2017 in Electrical Engineering by Quiz
1 answer 12 views

State the function of a contactor in a power circuit of locomotive. List different types of it and state one application of each.

asked Sep 2, 2018 by Shimroz123
0 answers 10 views

If a 220 V heater is used on 110 V supply, the heat produced by it will be nearly (a) one half (b) twice (c) one-fourth (d) four times 

asked May 25, 2018 in Electrical Engineering by Shimroz123
0 answers 19 views

Contents of a file will be lost if it is opened in  (1) a mode (2) w mode (3) r+ mode (4) a+ mode

asked Apr 10, 2018 in Computer Engineering by Shimroz123
1 answer 41 views

In an induction motor if the flux density is reduced to one-half, of its normal value then the torque will  (1) reduce to one-half (2) reduce to one-fourth (3) remain unchanged (4) increase four times

asked May 1, 2018 in Electrical Machine by Shimroz123
1 answer 69 views

A conductor of diameter d, length 1 consumes a power of W when a current I flows through it. What will be the power consumed if d is doubled, 1 is halved and current is tripled ?

asked Apr 23, 2018 in Electrical Engineering by Zeeshan
1 answer 21 views

In a transformer the voltage regulation will be zero when it operates at (A) unity p.f. (B) leading p.f. (C) lagging p.f. D) zero p.f. leading.

asked May 22, 2018 in Transformer by Shimroz123
0 answers 29 views

What is the equivalent resistance of one limb A when delta connection is transformed in to star?  (A) R1R3/R1+R2+R3 (B) R2R3/R1+R2+R3 (C) R1R2R3/R1+R2+R3 (D) R1+R2+R3

asked Apr 5, 2018 in Electrical Engineering by Shimroz123
1 answer 22 views

The steam input in to a turbogenerator connected to infinite bus is increased. Which of the events will take place? (a) The generator will feed more leading KVAR to bus bar and power angle will not change (b) The generator will feed more real power to bus bar and power angle will increase (c) The generator will feed more power to bus bar and power angle will decrease (d) The generator will feed more lagging KVAR to bus bar and power angle will not change

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

A sine wave voltage is applied across an inductor. When the frequency of the voltage is decreased, the current decreases.

asked Nov 23, 2017 in Electrical Engineering by James
1 answer 17 views

When an antenna of input resistance 73 ohm is connected to a 50-ohm line and if the losses are ignored then its efficiency will be nearly   (A) 0.19 (B) 0.81 (C) 0.97 (D) 1.19

asked May 17, 2018 in Electronics communication by Shimroz123
0 answers 21 views

DC ammeter has a resistance of 0.1 Ω and its current range is 0-100 A. If the range is to be extended to 0-300 A, what shunt resistance need to be connected?  A) 0.025 Ω B) 0.05 Ω C) 0.015 Ω D) 0.03 Ω

asked Apr 9, 2018 in Electrical Engineering by Shimroz123
1 answer 33 views

In a 3-phase converter circuit during commutation when one SCR in one phase is turned on to turn-off an SCR in another phase, results in (A) voltage notching (B) harmonic distortion (C) voltage sag (D) voltage swell

asked Apr 28, 2018 in Electronics Engineering by Shimroz123
1 answer 4 views

State the function of former and control spring in PMMC instrument.

asked Sep 6, 2018 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

8,517 questions

7,116 answers

135 comments

3,090 users

...