Transistors – 2 – 10

96. In a transistor, signal is transferred from a ………… circuit.

(a) high resistance to low resistance
(b) low resistance to high resistance
(c) high resistance to high resistance
(d) low resistance to low resistance

ANSWER

EXPLANATION

97. The arrow in the symbol of a transistor indicates the direction of ………

(a) electron current in the emitter
(b) electron current in the collector
(c) hole current in the emitter
(d) donor ion current

ANSWER

EXPLANATION

98. The leakage current in CE arrangement is ……. that in CB arrangement.

(a) more than
(b) less than
(c) the same as
(d) none of the above

ANSWER

EXPLANATION

99. A heat sink is generally used with a transistor to ……..

(a) increase the forward current
(b) decrease the forward current
(c) compensate for excessive doping
(d) prevent excessive temperature rise

ANSWER

EXPLANATION

100. The most commonly used semiconductor in the manufacture of a transistor is ……..

(a) germanium
(b) silicon
(c) carbon
(d) none of the above

ANSWER

EXPLANATION

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