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Electromagnetic Induction Test

This document contains a 10 question short answer and 2 question long answer practice test on electromagnetic induction for F.Sc. (Part-II) students. The test covers topics such as defining electromagnetic induction, factors that induced current depends on, Faraday's Law, motional EMF, mutual and self-induction, transformers, and energy stored in an inductor. It provides 40 minutes to complete the 30 point exam and is available from Expert MDCAT via their website, phone number, and email listed at the top.

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73 views1 page

Electromagnetic Induction Test

This document contains a 10 question short answer and 2 question long answer practice test on electromagnetic induction for F.Sc. (Part-II) students. The test covers topics such as defining electromagnetic induction, factors that induced current depends on, Faraday's Law, motional EMF, mutual and self-induction, transformers, and energy stored in an inductor. It provides 40 minutes to complete the 30 point exam and is available from Expert MDCAT via their website, phone number, and email listed at the top.

Uploaded by

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Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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www.expertmdcat.com 0340-7833494 expertmdcat@gmail.

com

EXPERT MDCAT
Expert Emergency Series 2020
F.Sc. (Part-II)
Test: Electromagnetic Induction Time Allowed: 40 Mins
Total Marks: 30 Marks
PHYSICS
SECTION-I
Short Questions
Note: Attempt all questions. All questions carry equal marks. 02x10 = 20 marks

Q.No.1: Define electromagnetic induction.

Q.No.2: On what factors induced current depends?

Q.No.3: Does the induced E.M.F. always act to decrease the magnetic flux through the circuit?

Q.No.4: How would you position a flat loop of wire in a changing magnetic field so that there is
no E.M.F. induced in the loop?

Q.No.5: In a certain region the Earth’s magnetic field points vertically down. When a plane flies
due North, which wing tip is positively charged?

Q.No.6: Can a DC motor be turned into a DC generator? What changes are required to be
done?

Q.No.7: Define motional E.M.F. and when it is maximum and minimum?

Q.No.8: State Faraday’s Law?

Q.No.9: Define mutual induction and self-induction with equations.

Q.No.10: What is transformer? How does it work?

SECTION-II
Long Questions
Note: Attempt all questions. All questions carry equal marks. 02x05 = 10 marks

Q.No.1: Write a note on energy stored in an inductor.

Q.No.2: A solenoid has 250 turns and its self-induction is 2.4 mH. What is the flux through
each turn when current is 2A? What is the induced E.M.F. when the current changes
at 20 A/s.

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