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SSC JE Magnetic Circuits Quiz 95

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Question 1

An inductor filter at the output of rectifier results in ripple which:

Question 2

The temperature at which anti-ferromagnetic becomes paramagnetic material is called

Question 3

The area of the Hysteresis loop represents :

Question 4

The relative permeability of paramagnetic material is

Question 5

A bar of Iron 1 cm² in cross section has 10^-4 Wb of magnetic flux in it. If μ_r = 2000. What is the magnetic field intensity in the bar?

Question 6

If the vector field

is solenoidal, then which of the statement is true regarding this?

Question 7

How much will be flux density in tesla unit for flux 15 µWb through 2 × 10^–4 m²?

Question 8

Hard steel is suitable for making permanent magnets because

Question 9

What is the value of total electric flux coming out of a closed surface?

Question 10

Inside the hollow conducting sphere, electric field

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Dec 16AE & JE Exams