A. Diffusion
B. Pressure
C. Ionisation
D. None of the above
Related Mcqs:
- A semiconductor has generally_______________valence electrons?
A. 2
B. 3
C. 6
D. 4 - A pentavalent impurity has______________Valence electrons?
A. 3
B. 5
C. 4
D. 6 - A trivalent impurity has______________valence electrons?
A. 4
B. 5
C. 6
D. 3 - If 1 A current flows in a circuit, the number of electrons flowing through this circuit is
A. 0.625 × 1019
B. 1.6 × 1019
C. 1.6 × 10-19
D. 0.625 × 10-19 - If an electrons is allowed to move along the field in a non uniform electric field then it will follow__________________?
A. Spiral path
B. Straight line
C. Curved path
D. Circular path - The number of electrons in one coulomb charge is equal to_______________?
A. 6.2 x 1018
B. 1.6 x 1019
C. 6.2 x 1021
D. 1.6 x 10-27 - The resistance encountered by a train in motion is on account of_________________?
A. resistance offered by air
B. friction at the track
C. friction at various parts of the rolling stock
D. all of the above - Thermal runaway occurs when_________________?
A. Collector is reverse biased
B. Transistor is not biased
C. Emitter is forward biased
D. Junction capacitance is high - In an intrinsic semiconductor, the number of free electrons_____________?
A. Equals the number of holes
B. Is greater than the number of holes
C. Is less than the number of holes
D. None of the above - SI unit of the permittivity of free space is________________?
A. Nm2C2
B. N-1mC-2
C. NmC-1
D. N-1m-2C2
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