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Question

State True or False :
Collector current depends on temperature.

A
True
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B
False
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Solution

The correct option is A True
As the temperature of a transistor increases, the collector current will increase because:
  1. Intrinsic semiconductor current between the collector and base increases with temperature. Its flow through the biasing resistors drives the base more positive, increasing forward bias on the base-emitter diode. For a silicon diode, Simpson quotes an increase of 2mA for a 10oC temperature rise.
  2. The base-emitter voltage required for a given collector current will decreasedecrease. This decrease is about 2.5mV/oC.

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