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Electric Circuits

Electric Circuits
A coil with negligible resistance has 50 V across it with 10 mA. The inductive reactance is

 5000 ohms.
 500 ohms.
 50 ohms.
 1000 ohms.

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Electric Circuits
Consider the following circuit. In this circuit, when Vs = 3 V, I = 4 A, what is the value of I when Vs = 12 V?

 15 A.
 10 A.
 20 A.
 7 A.

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Electric Circuits
In RLC series circuit, at resonance condition the value of current is

 Maximum
 Zero
None of these
 Minimum

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Electric Circuits
To obtain wide bandwidth, network is designed with which of the following?

 High Q factor
 Unity Q factor
 Zero Q factor
 Low Q factor

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Electric Circuits
Average power taken by the pure capacitor is

 Minimum
 Zero
 Maximum
 Any of the above

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Electric Circuits
Three identical resistor are connected in star across a 3 phase 550 V supply dissipating a total power of 300 W the line current is ____________ A.

 0.5
 1
 2.56
 3.149

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