YESPYQ Start Practice
🏫 Board🧲 Physics

For questions , two statements are given - one labelled Assertion (A) and the other labelled Reason (R). Select the corr…

Q1

For questions , two statements are given - one labelled Assertion (A) and the other labelled Reason (R). Select the correct answer to these questions from the codes (A), (B), (C) and (D) as given below :

Assertion (A) : The temperature coefficient of resistance is positive for metals and negative for p-type semiconductors.
Reason (R) : The charge carriers in metals are negatively charged, whereas the majority charge carriers in p-type semiconductors are positively charged.

a

If both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).

b

If both Assertion (A) and Reason (R) are true and Reason (R) is not the correct explanation of Assertion (A).

c

If Assertion (A) is true and Reason (R) is false.

d

If both Assertion (A) and Reason (R) are false.

🔒
Answer & explanation — PYQ Pass

Options are free to see. Unlock the correct answer and full explanation with Pass.

Unlock · ₹149
← Previous questionNext question →

Practice more Board Physics PYQs

See every question on Semiconductor Electronics: Materials, Devices and Simple Circuits, or browse the full Board question bank.

See all questions on Semiconductor Electronics: Materials, Devices and Simple Circuits →