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Electric Circuits

Electric Circuits
Bulb in street lighting are connected in

 series.
 parallel.
 end of end.
 series parallel.

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Electric Circuits
Which battery is used in aeroplanes?

 None of them.
 Dry cell battery.
 Edission cell.
 Lead acid battery.

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Electric Circuits
A 2m long conductor, carries a current of 50 A at a magnetic field of 100 × 10 − 3 T. The force on the conductor is

 1000 N.
 10000 N.
 10 N.
 100 N.

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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
Which quantity consists of a unit 1KWh ?

 Energy
 Charge
 Time
 Power

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Electric Circuits
In a delta network each element has value R. The value of each element in equivalent star network will be

 R / 2.
  R / 3.
 R / 6.
 R / 4.

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MORE MCQ ON Electric Circuits

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