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Electric Circuits

Electric Circuits
What is a resistor?

 Inductor
 Hello
 Capacitor
 Test

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Electric Circuits
2) Two sinusoidal emfs are given as e1 = Asin(wt+45) and e2 = Bsin(wt-30). The phase difference between the two quantities in degrees is

 15.
 105.
 60.
 75.

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Electric Circuits
The term trickle charge is associated with

 nickel iron battery.
 lead acid battery.
 dry cell.
 silver zinc battery.

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Electric Circuits
For steady state current inductor acts as

 Voltage source
 Short circuit
 Open circuit
 Current source

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Electric Circuits
A series RLC circuit is connected across a 240V, 50 Hz supply. When the voltage across capacitor is 250V, a maximum current of 0.5A flows in the circuit. Find the resistance.

 1000 Ohms.
 480 Ohms.
 500 Ohms.
 100 Ohms.

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Electric Circuits
The maximum value of a current wave is 2A. If the form factor of a current wave is 1.5 and the peak factor is 2.7, find the average value in Amperes.

 0.494 A.
 1.57 A.
 0.741 A.
 1.414 A.

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MORE MCQ ON Electric Circuits

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