11. If a transistor emitter current is 2 mA, the collector current is :
(a) Greater than 2 mA
(b) Less than 2 mA
(c) Equal to 2 mA
(d) Equal to 4 mA
12. The α of the transistor is :
(a) A measure of its sensitivity
(b) A measure of quality
(c) A measure of thermal stability
(d) A measure of its noise immunity
13. Normal biasing of transistor is :
(a) Forward bias the Emitter-Base and reverse bias the Collector-Base
(b) Forward bias both the Emitter-Base and Collector-Base
(c) Reverse bias both the Emitter-Base and Collector-Base
(d) Reverse bias both Emitter-Base and forward bias the Collector-Base
14. With reference to the current amplification factor of transistor :
(a) α is greater than β
(b) α is smaller than β
(c) α and β are equal
(d) None of the above
15. When a transistor is connected in common collector mode, then
(a) Input is in between Base and Emitter
(b) Input is in between Base and Collector
(c) Input is in between Emitter and Collector
(d) Input is in between Collector short-circuited
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