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Electric Circuits

Electric Circuits
Form factor is equal to Peak factor in case of

 saw tooth wave.
 square wave.
 triangle wave.
All of these

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Electric Circuits
The hot resistance of a tungsten lamp is about 10 times the cold resistance. Accordingly, cold resistance of a 100 W, 200 V lamp will be

  40 Ω.
 400 Ω.
 800 Ω.
 4 Ω.

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Electric Circuits
Mesh analysis is applicable for

 both planar and non planar networks.
 non planar networks.
 planar networks.
 neither planar and non planar networks..

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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

 100 N.
 10000 N.
 1000 N.
 10 N.

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Electric Circuits
The current flowing between electrodes inside a lead acid battery is

 polarization current.
 proton current.
 electron current.
 ionization current.

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Electric Circuits
The resistivity of semi-conductors at room temperatures is

 109 to 1012 ohm - cm.
 1.6 × 106 to 100 × 106 ohm - cm.
 1000 to 1500 ohm - cm.
 0.01 to 50 ohm - cm.

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MORE MCQ ON Electric Circuits

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