Q.1
The positive end of a diode is called the ___
  • Anode
  • Cathode
Q.2
The N-type region has a high_____ concentration
  • holes
  • electron
Q.3
When the diode is forward biased it acts like a __
  • Insulator
  • closed switch
  • conductor
  • both B & C
Q.4
Barrier potential for Si___
  • 0.3 V
  • 0.7V
Q.5
An ammeter should have ………….. resistance
  • Infinite
  • Very large
  • Very low
  • None of the above
Q.6
A voltmeter should have ………. resistance
  • Zero
  • Very high
  • Very low
  • None of the above
Q.7
When an ammeter is inserted in the circuit, the circuit current will ………..
  • Increase
  • Decrease
  • Remain the same
  • None of the above
0 h : 0 m : 1 s