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SSC JE Magnetic circuits Quiz 41
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Question 1
The hysteresis loop for materials having high retentivity is
Question 2
Hysteresis loss can be reduced by………
Question 3
Two wires are of equal length. One is bent into square loop and the other into circular loop. They are suspended in uniform magnetic field and the same current is passed through them. The torque will be
Question 4
Magnetic shields are made from materials having
Question 5
The Ohm’s law for magnetic circuit is
Question 6
Magnetic materials that have high retentivity have a
Question 7
The shape and size of hysteresis loop depends upon
Question 8
The hysteresis loop is nearly square for
Question 9
Which of the following expression satisfies the Ampere’s circuital law?
Question 10
Determine the eddy current loss (in W) in a material having eddy current coefficient of 1, thickness of 0.04 m and volume of 2 cubic metre which is kept in a magnetic field having a maximum flux density of 4 T and supplied by a frequency of 50 Hz.
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Jul 23ESE & GATE EE