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Electronics — Physics STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 SciencePhysicsElectronics1 Mark
Question
Assertion  :  The temperature coefficient of resistance is positive for metals and negative for P-type semiconductor. 
Reason     : The effective charge carriers in metals are negatively charged whereas in P-type semiconductor they are positively charged.(a) If both assertion and reason are true and the reason is the correct explanation of the assertion.(b) If both assertion and reason are true but reason is not the correct explanation of the assertion.(c) If assertion is true but reason is false.(d) If the assertion and reason both are false.
 
 
 
 
✓

Answer

(b) If both assertion and reason are true but reason is not the correct explanation of the assertion.

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