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Electric Circuits

Electric Circuits
Which field is associated with the capacitor?

 None of above.
 Magnetic.
 Electric.
 Both of (A) and (B).

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Electric Circuits
Fillers in a lead acid battery are provided

 to prevent flow of gases.
 to facilitate flow of gases.
 to recover acid loss through vapours.
 all of above.

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Electric Circuits
In a 3 - φ delta connection, two-wattmeter method is used to measure the power; if the two watt meters read 28.13 kW and 13.31 kW, the power factor of connection will be

 0.4.
 0.85.
 0.9.
 0.6.

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Electric Circuits
A rectangular magnet of magnetic moment M is cut into two pieces of same length. The magnetic moment of each piece will be

 2 M.
 M / 2.
 M.
 M / L.

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Electric Circuits
What is the SI unit of electric current ?

 Ohm.
 Ampere.
 Faraday.
None of these

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Electric Circuits
The value of V in the circuit shown in the given figure is

 4 V.
  2 V.
  3 V.
 5 V.

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MORE MCQ ON Electric Circuits

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