Arihant Sample Paper Class 12 Physics. We covered all the Arihant Sample Paper Class 12 Physics MCQs in this post for free so that you can practice well for the exam.
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Arihant Sample Paper Class 12 Physics Objective for Students
Where is a transistor most likely to be found?
(a) Wristwatch
(b) Fuse
(c) Hearing aid
(d) Fluorescent lamp
Option c – Hearing aid
NPN transistors are preferred to PNP transistors because they have
(a) low cost
(b) low dissipation energy
(c) the capability of handling large power
(d) electrons having higher mobility than holes
Option d – electrons having high mobility than holes
Which one among the following components is used as an amplifying device?
(a) Transformer
(b) Diode
(c) Capacitor
(d) Transistor
Option d – Transistor
Which among the following is most helpful in energy savings?
(a) Incandescent bulb
(b) Fluorescent tube light
(c) Compact fluorescent lamp
(d) LED bulb
Option d – LED bulb
Zener diode is used as
(a) Half-wave rectifier
(b) Full-wave rectifier
(c) AC voltage stabilizer
(d) DC voltage stabilizer
Option c – AC voltage stabilizer
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