IIT JEE / PMT Test Series : Module 11 : +2 : Physics : Semi Conductors

Normal type of MCQ with one correct option The electrical conductivity of semiconductor increases when electromagnetic radiation of wavelength shorter than 2480 nm is incident on it. The band gap in eV for semiconductor is
1.1 eV
2.5 eV
0.5 eV
0.7 eV.
Normal type of MCQ with one correct option In a common base amplifier, the phase difference between the input signal voltage and output signal voltage is
0
Normal type of MCQ with one correct option In a full wave rectifier circuit operating from 50 Hz mains frequency, the fundamental frequency in the ripple would be
50Hz
100 Hz
25 Hz
70.7 Hz.
Normal type of MCQ with one correct option Which of the following gates is a universal gate
OR
AND
NOT
NAND.

A,B
B
C,D
A,B, & D

/


Both A and R are true and R is correct explanation of A
Both A and R are true and R is not correct explanation of A
A is true, R is false
A is false, R is true

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Brilliant Institute of Advance Studies, Chandigarh offers a complete test series for IIT JEE and PMT preparation for FREE at WiZiQ.com. This series constitutes 11 modules of each subjects +1 and +2 of all subjects Physics, Chemistry, Mathematics and Biology. The pattern of each test comprises all the types of objective questions of IIT JEE and AIPMT (MCQ with one or more correct option, Comprehension, Assertion-Reason, Match Matrix etc). This is the FREE Module test 11 of +2 Physics; the covered chapter is Semi Conductors. Keep checking for Exclusive Paid Test series for IIT JEE and AIPMT from us at a very nominal cost at WiZiQ.com Happy Learning; all the best!

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