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Question 20

A magnet cannot be demagnetized by

  • A.heating
  • B.hammering
  • C.chemical treatment
  • D.the use of solenoid through which an alternating current is flowing
Objective

Question details

Exam body
UI
Subject
Physics
Year
2011/2012
Question no.
#20
Type
Objective
Previous · Q19A conducting sphere has a net charge of -4.8 x 10 -17 C. What is the approximate… Next · Q21 An a.c voltage is connected to an RLC series circuit of resistance 5 0…

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