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Electric Circuits

Electric Circuits
Conductance of any conductor is expressed as

  watt / ampere2.
  volt2 / watt.
  ampere / watt.
  mho.

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Electric Circuits
Efficiency of electrical machines should be calculated by measuring

 losses and output.
 losses.
 output and input.
 losses and input.

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Electric Circuits
From the circuit diagram shown in question 1 find the thevnin voltage.

 5 V.
 1.5 V.
 3 V.
 15 V.

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Electric Circuits
In active filter which element is absent?

 Inductor.
 Resistor.
 Both of above.
 Capacitor.

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Electric Circuits
Which of the following materials has highest electrical conductivity ?

  Copper.
  Silver.
  Aluminium.
  Steel.

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Electric Circuits
A conductor of length l meters moves at right angles to a uniform magnetic field of flux density B = 1.5 T. if the velocity of revolution of the conductor is 50 ms-1 then induced e.m.f. in the conductor is

 75 V.
 100 V.
 0 V.
 125 V.

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MORE MCQ ON Electric Circuits

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