Forward current through a semi conductor diode circuit is due to____________?

Related Mcqs:

1. A current carrying conductor is placed in a uniform magnetic field parallel to it. The magnetic force experienced by the conductor is _____________________?

   A. F=1/B B. F=1/Bsinθ C. F/0 D. F=1/Bcosθ...

2. Semi-conductor germanium and silicon are_________________?

   A. pentavalent B. trivalent C. divalent D. tetravalent...

3. The specially designed semi-conductor diodes used as fast counters in electronic circuits are______________?

   A. The light emitting diodes B. Photo diodes C. Photo voltaic cell D. Solar cells....

4. To obtain a p-type semi-conductor Si Crystal must be doped with foreign atoms whose valency is_____________?

   A. 2 B. 3 C. 4 D. 5...

5. The specially designed semi-conductor diodes used as fast counters in electronic circuits are_______________?

   A. The light emitting diodes B. Photo diodes C. Photo voltaic cell D. Solar cells....

6. The current through a metallic conductor is due to the motion of _________________?

   A. free electrons B. protons C. neutrons D. still under controversy...

7. Production of heat due to an electric current flowing through a conductor is given by _________________?

   A. Joule effect B. Joule Thomsons effect C. Comptons effect D. Feed back effect...

8. If capacitance of L-C circuit is made four times then frequency of the circuit becomes___________________?

   A. Twice B. One half C. Four times D. None...

9. An A.C series circuit containing 4Ω resistance and 3Ω inductive reactance. The impedance of the circuit is______________?

   A. 1Ω B. 5Ω C. 7Ω D. 7Ω...

10. An alternating current of the r.m.s value of 4.0 A and frequency 50Hz flows in a circuit containing a 10Ω resistor. The peak current is then ?

    A. 20A B. 20.66A C. 6.66A D. 5.66A...