Electrostatics - Online Test

Total Number of Questions in this Test: 10
Total Number of Questions Answered: 0
Total Number of Questions Skipped: 0


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Question : 1

A semiconductor device is connected in series circuit with a battery and a resistance. A current is found to pass through the circuit. If a polarity of a battery is reversed, the current drops almost to zero. The device may be

Options :
  •  a P-type semiconductor
  •  an N-type semiconductor
  •  a P-N junction
  •  an intrinsic semiconductor