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Electric Circuits

Electric Circuits
Magnetic flux has the unit of

 Weber
  Tesla
 Newton
 Ampere turn

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Electric Circuits
Reactive power drawn by a pure resistor is

 minimum
 0
 maximum
None of these

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Electric Circuits
In which of the following oscillations are not present?

 Critical damping
 Over damping
 Both 2 and 3
 Under damping

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Electric Circuits
Third pin of a 3 pin plug is thicker and longer

 all pins are of same size.
 for protection purpose.
 none of these.
 for designing purpose.

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Electric Circuits
The capacitance of a conductor is varying from 2 microfarad to zero in 1 sec linearly if the voltage applied to it is 6 V the energy stored in 0.5 sec in the condenser is

 18 µ joules.
 10 µ joules.
  55.1 µ joules.
 20 µ joules.

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Electric Circuits
How many 200W / 220V bulbs connected in series across 220V supply will consume 100W?

 1.
 2.
 Not possible.
 4.

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