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Electric Circuits

Electric Circuits
Which of the following has no units?

 Permeability
 Permittivity
 Moment of a magnet
 Magnetic susceptibility

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Electric Circuits
If a function is shifted by 'T', then it is correctly represented as

 f (t) u (t).
 f (t) u (t-T).
 f (t-T) u (t-T).
 f (t-T) u (t).

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

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

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Electric Circuits
The instantaneous values of line current into a delta connected load in any two lines are + 2.5 amps and - 1.25 amps the current in the third line at the instant is ___________ A.

 2.5
 1
 - 1.25
 10

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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?

 P/3.
 3P.
 P.
 √3P.

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Electric Circuits
In the circuit given below the value of resistance Req is

 10 Ω.
 11.18 Ω.
 25 Ω.
 11.86 Ω.

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MORE MCQ ON Electric Circuits

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