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Electric Circuits

Electric Circuits
The capacity of a cell is measured in

  watts.
  watt-hours.
  ampere-hour.
  amperes.

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Electric Circuits
A delta connection contains three equal impedance of 60 Ω. The impedance of the equivalent star connection for each star load will be

 30 Ω.
 15 Ω.
 40 Ω.
 20 Ω.

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Electric Circuits
The absolute charge of an electron is

 - 1.6 × 10-19 C.
 + 1.6 × 10-19 C.
 none of above.
 1.6 × 10-19 C.

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Electric Circuits
An ideal constant voltage source has _______________ internal impedance whereas a constant current source has ____________ internal impedance.

 infinite, infinite
 infinite, zero
 zero, zero
 zero, infinite

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Electric Circuits
Which of the following is applicable for both linear and non-linear circuits?

 Norton’s theorem.
 Thevnin’s theorem.
 Superposition theorem.
 None of these .

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Electric Circuits
Two equal resistors R connected in series across a voltage source V dissipate power P. What would be the power dissipated in the same resistors when they are connected in parallel across the same voltage source?

 16P.
 2P.
  P.
 4P.

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