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Electric Circuits

Electric Circuits
For steady state current inductor acts as

 Voltage source
 Short circuit
 Open circuit
 Current source

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Electric Circuits
Find the total power absorbed by the resistor in the given circuit.

  6 W.
 24 W.
 12 W.
 30 W.

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Electric Circuits
The resistivity of the conductor depends on

 length of the conductor.
 area of the conductor.
 type of material.
 none of these.

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Electric Circuits
Electric field intensity ( E ) at any point in an electric field is equal to

 ( potential gradient )1/2.
 potential gradient.
 ( potential gradient )1/3.
 ( potential gradient )2.

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Electric Circuits
Coating generally recommended for hard surfacing is

 chromium plating.
 lead plating.
None of these
 copper plating.

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Electric Circuits
A 3 – φ delta connected symmetrical load consumes P Watts of power from a balanced supply. If the same load is connected in star to the same supply then what is the power consumption?

 3P.
 P/3.
 √3P.
 P.

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