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Electric Circuits

Electric Circuits
Which quantity should be measured by the voltmeter ?

 Current
 Speed
 Voltage
 Power

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Electric Circuits
Three element having conductance G1, G2 and G3 are connected in parallel. Their combined conductance will be

 (1 / G1 + 1 / G2 + 1 / G3) - 1.
 G1 + G2 + G3.
 1 / G1 + 1 / G2 + 1 / G3.
 (G1 + G2 + G3) - 1.

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Electric Circuits
The energy stored by a capacitor is given by

 Q2 / 2C.
 all of them.
 1/2 CV2.
 1/2 QV.

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Electric Circuits
An electric field can deflect

 alpha particles.
 x-rays.
 neutrons.
 gamma-rays.

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Electric Circuits
Container of a lead acid battery

 celluloid.
 any of above.
 ceramics.
 molded hard rubber.

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Electric Circuits
A 3 wire, 3 - φ supply feeds a load consisting of three equal resistors. By how much is the load reduced if one of the resistors be removed when the load is in star?

 25 % of the original load.
 66.66 % of the original load.
 33.33 % of the original load.
 50 % of the original load.

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MORE MCQ ON Electric Circuits

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