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Electric Circuits

Electric Circuits
The electrical conductivity of metal is typically of the order of (in ohm - m)

 10 - 4.
 107.
 105.
 10 - 6.

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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
Magnetic flux has the unit of

  Tesla
 Weber
 Ampere turn
 Newton

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Electric Circuits
Which of the following is not equivalent to watts?

 Ampere-volts.
 Ampere2 – Ohm.
 Amperes/volt.
 Joules per second.

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Electric Circuits
The rms value of sine wave is 100 A. Its peak value is

 150 A.
 141.4 A.
 70.7 A.
 282.8 A.

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Electric Circuits
Electro-chemical equivalent is usually expressed in

  mg per coulomb.
  mg per kW.
  mg per volt.
  mg per kVA.

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MORE MCQ ON Electric Circuits

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