BHU-PET SERIES Physics
Magnetic Properties
1 previous year questions.
Volume: 1 Ques
Yield: Medium
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2019 Chapter Questions 1 MCQs
01
PYQ 2019
medium
physics ID: bhu-pet-
The loss of energy due to hysteresis when 5 kg of iron is subjected for 1 hour to cyclic magnetic changes of frequency 25 cycles/sec, if the hysteresis loop represents a loss of erg cm cycle and density of iron is 7.8 gm cm , is:
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