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Electric Circuits

Electric Circuits
Which quantity should be measured by the voltmeter ?

 Current
 Voltage
 Power
 Speed

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Electric Circuits
In the above question find the angle between voltage and current?

 30.
 54.74.
 60.
 90.

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Electric Circuits
Active materials of a lead acid cell are

 all of above.
 lead peroxide.
 spongy lead.
 dilute H2SO4.

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Electric Circuits
Time constant of RC series circuit is

 RC
 2L/R
 L/R
 2RC

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Electric Circuits
A 3Ω resistor having 2A current will dissipate the power of

 2 W.
 4 W.
 12 W.
 8 W.

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Electric Circuits
In parallel RLC circuit under resonance condition the value of current is

None of these
 Minimum
 Zero
 Maximum

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MORE MCQ ON Electric Circuits

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