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Electric Circuits

Electric Circuits
In the circuit shown below, what is the voltage across 5 Ω resistor?

 None of them
 34.4 V.
 -28.4 V.
 -27.4 V.

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Electric Circuits
A circuit with resistor, inductor, capacitor in series is resonant of 50 Hz. If all the values are now doubled, the new resonant frequency is

 2f0.
 f0 / 4.
 still f0.
 f0 / 2.

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Electric Circuits
The life of a lead acid battery is expected to be

 6 months.
 2 to 5 years.
 1 year.
 10 to 15 years.

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Electric Circuits
The value of unity impulse function at time (t) = 0 is

 0.
 1.
 infinite.
 indeterminate.

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Electric Circuits
Bulb in street lighting are connected in

 series.
 end of end.
 series parallel.
 parallel.

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Electric Circuits
Which of the following quantities consists of SI unit as WATT ?

 Force
 Charge
 Current
 Power

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