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Electric Circuits

Electric Circuits
In series RLC circuit what is the power factor just above the resonance frequency?

 Zero
 Unity
 Lagging
 Leading

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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.
 0.741 A.
 1.414 A.
 1.57 A.

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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
In the circuit given below the value of resistance Req is

 11.86 Ω.
 11.18 Ω.
 25 Ω.
 10 Ω.

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Electric Circuits
Poles and zeros are arranged alternatively on imaginary axis, then type of network is?

 LC network
 RC network
 RL network
 Any of the above

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Electric Circuits
Three parallel resistive branches are connected across a DC supply. The ratio of the branch resistances are given as R1:R2:R3 :: 2:4:6. The ratio of the branch currents is

 6:4:2.
 6:3:2.
 2:4:6.
 2:3:6.

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