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Electric Circuits

Electric Circuits
Flux in a magnetic circuit can be compared in an electric circuit to

 voltage.
 inductance.
 current.
 resistance.

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Electric Circuits
In the figure, the potential difference between points P and Q is

 6 V.
 12 V.
 - 6 V.
 10 V.

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Electric Circuits
Atoms with fewer than 4 valence electrons are

 insulator.
 semi-conductor.
 conductor.
 none of these.

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Electric Circuits
Two 1 kΩ, 1 W resistors are connected in series. Their combine resistance and wattage will be

 2 kΩ, 1 W.
 2 kΩ, 0.5 W.
 1 kΩ, 1 W.
 0.5 kΩ, 2 W.

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Electric Circuits
Reactive power drawn by a pure resistor is

 0
None of these
 minimum
 maximum

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Electric Circuits
When a lossy capacitor with a dielectric of permittivity ε and conductivity σ operates at a frequency ω the loss tangent for the capacitor is given by

 σ ω ε.
 ω ε/σ.
 ω σ/ε.
  σ/ω ε.

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MORE MCQ ON Electric Circuits

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