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Electric Circuits

Electric Circuits
In the above question find the angle between voltage and current?

 54.74.
 60.
 30.
 90.

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Electric Circuits
Poorest conductor of electricity is

  Aluminium.
  Silver.
  Steel.
  Carbon.

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Electric Circuits
Total power consumed in the circuit below is 10 W. Find X.

 3 A.
 1 A.
 None of these.
  2 A.

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Electric Circuits
A current in a circuit is given by, If the current flows through the 5 Ω resistor, find power dissipated at t = 0?

 20 Watts.
 15 Watts.
 10 Watts.
 40 Watts.

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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
2) Two sinusoidal emfs are given as e1 = Asin(wt+45) and e2 = Bsin(wt-30). The phase difference between the two quantities in degrees is

 60.
 105.
 75.
 15.

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