If the temperature increases, the value of $V_{C E}$

Remains the same

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Is increased

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Is decreased

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None of the above

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Solution

The correct option is C Is decreased
As the temperature of a transistor increases, the collector current will increase because:
Intrinsic semiconductor currrent 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 $2 n A$ for a $10^{o} C$ temperature rise.
The base-emitter voltage required for a given collector current will $d e c r e a s e$ . This decrease is about $- 2.5 m V /^{o} C$ .

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If the temperature increases, the value of VCE

If the temperature increases, the value of $V_{C E}$