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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

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

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Electric Circuits
Current locus is obtained by which of the following?

 Either of these
 Varying any one of the circuit element
None of these
 Varying source frequency

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Electric Circuits
Which of the following has least resistivity?

 Lead.
 Aluminium.
 Copper.
 Mercury.

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Electric Circuits
Capacitor does not allow the sudden change of

 voltage
 power
 current
None of these

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Electric Circuits
For same voltage, the ratio resistance of 100 W lamp to resistance of 25 W lamp is

 4.
 16.
 1/4.
 1.

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Electric Circuits
Total power consumed in the circuit below is 10 W. Find X.

 None of these.
  2 A.
 3 A.
 1 A.

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