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Electric Circuits

Electric Circuits
What is the frequency of domestic power in India?

 50 Hz.
 70 Hz.
 220 Hz.
 60 Hz.

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

 RC network
 RL network
 LC network
 Any of the above

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Electric Circuits
In the circuit shown in figure if I1 = 1.5 A, then I2 will be

 0.5 A.
 1 A.
 1.5 A.
 2 A.

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Electric Circuits
Sulphation in a lead acid battery occurs due to

 fast charging.
 incomplete charging.
 heavy charging.
 trickle charging.

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

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

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Electric Circuits
A balanced delta connected load has an impedance of 9∠30o Ω per phase. What is the impedance per phase of its equivalent star?

 27∠30o Ω
None of these
 3∠30o Ω.
 30∠30o Ω.

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