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- Consider a cube of material of sides 1 cm with a resistance of 0.003 Ω between its opposite faces. What is the
- Twelve 1 ohm resistances are used as edge to form a cube. The resistance between two diagonally opposite ...
- A cube of material of side 1 cm has a resistance of 0.002 ohm between...
- The transfer function of a phase lead compensator is found to be the form (s+z1 ) / (s + p1 ) and that...
- Two waves of the same frequency have opposite phase when the phase angle between them is?
- A point charge of 120 mC is placed at the centre of a cube. What will be the total flux passing through one ...
- If in a short transmission line, resistance and inductance are found to be...
- For a two port symmetric bilateral network, if A= 3Ω and B = 1Ω, the value of parameter C will be...
- If it takes a transmitted signal 1m sec to go up to the target and come back after reflection, how far is
- The running winding of a single phase motor on testing with meggar is found to be ground...
- Three 3 ohm resistors are connected to form a triangle. What is the resistance between any two of the corners?
- Rise time of an amplifier is found to be 1.0µS, its bandwidth (in kHz) is around...
- For a particular material the Hall coefficient was found to be zero. The material is
- The direction of inducted e.m.f. can be found with the help of
- A high-pass filter has a resistance R = 2 kΩ The lowest input frequency to be passed is 7.5 kHz. The value of
- A megger is to measure insulation resistance of a cable. The cable should be connected to
- 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...
- An induction type energy meter is found to run fast. Correction for this error can be made by
- When the phase difference between two sinusoidal quantities is 90° they are said to be ______
- In a 2 kW, 200 V, 1000 rpm. DC series motor the torque at full load was found to be 0.3 N -m. The torque at
- A 1mA D' Arsonval movement has resistance of 100 Ω. It is to be converted to a 10 V voltmeter. ...
- The ratio of the resistance of a 100 W, 220 V lamp to that of a 100 W, 110 V lamp will be nearly
- The internal resistance of the voltmeter must be very high in order to have
- State the four methods of laying of cable. State precautions while laying of underground cable in the situation : (i) Minimum clearance between cable and water pipe line when running in parallel. (ii) Minimum clearance between cable and water pipe line when running in parallel. (iii) If cable is laid through pipe what should be diameter of pipe. (iv) When more than one cable is to be laid in the same trench, what should be minimum spacing between two cables ?
- In a transformer the resistance between its primary and secondary should be?
- A unity negative feedback control system is found to have a gain margin of 20 dB. The Nyquist plot of the
- Consider the circuit in Fig. 2 with the following data: VBE=0.6V; Vz=6.6V; Re=2K ohm; Vcc=15V; assume IB <<IC. What is the role of R1 resistor? Calculate the current IC through the collector resistor (RC): what can be the variation range of the load resistance Re for the current Ic to remain constant.
- A 10A DC Ammeter has a resistance of 0.1 Ω is to be extended to 50 A, the required shunt wire is
- The rotor impedance of a slip ring induction motor is (0.1 + j0.6)Ohm/ ph . The resistance/ph to be inserted
- If the energy is supplied from a source, whose resistance is 1 ohm, to a load of 100 ohms the source will be?
- What can be found in substations ?
- A supply of 24 V DC is applied across a circuit which consist of three resistors connected in parallel R1= 1.2KΩ, R2= 560 Ω, R3= 2.1Ω and a fourth resistor of 7.8 Ω connected in series with the parallel group. Determine the current, voltage and power across each resistor
- Two holes in the disc of energy meter are drilled at the opposite sides of the spindle to
- Thevenin resistance Rth is found?
- What is the relationship between power and resistance?
- A wire of 0.14 mm diameter and specific resistance 9.6 micro ohm-cm is 440 cm long. The resistance of the wire will be
- The power consumed in a circuit element will be least when the phase difference between the current and voltage is?
- What will be the phase angle between two alternating waves of equal frequency...
- What happens to the capacitance if mica is inserted between the plates of an air capacitor?
- Which of the following test is carried out to ensure the sufficient strength of insulation between two or more...
- Earth resistance comprises of A. Resistance of soil away from electrode. B. Contact resistance between...
- If resistance is 20 Q. and inductance is 27 in a R-L series circuit, then time constant of this circuit will be?
- Synchronous motor is found more economical when the load is above
- if voltage is 230 Volts , frequency is 50 Hz and current is 1 ampere then what will be the resistance?
- If resistance is 8 Ohm and current is 16 ampere then what will be the voltage and power?
- why current flows in opposite direction of electrons ?
- What should be the value of earthing resistance for large power stations?
- The insulation resistance of earth of an installation should be nearly: -
- The effective resistance of a conductor will be the same as ohmic resistance when : -
- For proper earthing, what should be the maximum value of earth resistance while carrying out the testing of...

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