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Electric Circuits

Electric Circuits
In RL series circuit R=2Ω and L=2mH. What is the value of time constant?

 2msec
 4msec
 1msec
 100sec

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Electric Circuits
Average power taken by the pure capacitor is

 Maximum
 Zero
 Minimum
 Any of the above

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Electric Circuits
A periodic voltage having the Fourier series V(t)= {1 + 4sinω0t}

 11 W.
 24.5 W.
 1 W.
 21 W.

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Electric Circuits
From the given figure find the R3

 25 kilo ohm
 25 ohm
 25 mili ohm
 25 mega ohm

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Electric Circuits
A variable capacitance is one whose capacitance

 changes with temperature.
 changes with voltage.
 changes with time.
 can be changed manually or by mechanical force.

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Electric Circuits
Millman theorem yields equivalent

 voltage source.
 current source.
 both ‘c’ and ‘d’ .
 impedance.

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MORE MCQ ON Electric Circuits

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