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Electric Circuits

Electric Circuits
Consider the following circuit. What is the value of current I in the 5 Ω resistor in the circuit given in the figure?

 3 A.
 4 A.
 0 A.
 2 A.

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Electric Circuits
Which of following capacitor will have least value of breakdown voltage?

 Paper.
 Ceramic.
 Electrolytic.
 Mica.

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Electric Circuits
Current locus is obtained by which of the following?

None of these
 Varying any one of the circuit element
 Varying source frequency
 Either of these

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Electric Circuits
Three resistors of 4 ohm, 6 ohm and 8 ohm are in parallel. In which resistor, power dissipation will be maximum

 8 Ohm.
 4 Ohm.
 6 Ohm.
 equal in all resistors.

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Electric Circuits
If one cycle of AC waveform occurs every millisecond, the frequency will be

 1000 Hz.
 10 kHz.
 100 Hz.
 50 Hz.

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Electric Circuits
In which braking back emf exceeds supply voltage?

  Plugging.
  Dynamic.
  None of these.
  Regenerative.

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