MHT CET 2024 9th May Evening Shift | Moving Charges and Magnetism Question 34 | Physics

The magnetic potential energy stored in certain inductor is $64 \times 10^{-3} \mathrm{~J}$, when the current in the inductor is 80 mA . This inductor is of inductance

0.20 H

2.0 H

20 H

200 H

MHT CET 2024 9th May Morning Shift

MCQ (Single Correct Answer)

-0

The magnetic induction due to an ideal solenoid is independent of

total number of turns of the wire.

length of the solenoid.

radius of the wire.

current carried by the wire.

MHT CET 2024 9th May Morning Shift

MCQ (Single Correct Answer)

-0

The magnetic field intensity inside current carrying solenoid is $\mathrm{H}=2.4 \times 10^3 \mathrm{~A} / \mathrm{m}$. If length and number of turns of a solenoid is 15 cm and 60 turns respectively. The current flowing in the solenoid is

4 A

6 A

0.6 A

60 A

MHT CET 2024 4th May Evening Shift

MCQ (Single Correct Answer)

-0

A particle carrying a charge equal to 100 times the charge on an electron is rotating one rotation per second in a circular path of radius 0.8 m . The value of magnetic field produced at the centre will be ( $\mu_0=$ permeability of vacuum)

$\frac{10^{-7}}{\mu_0}$

$10^{-17} \mu_0$

$10^{-6} \mu_0$

$10^{-7} \mu_0$

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