1

JEE Main 2022 (Online) 25th June Morning Shift

Numerical

+4

-1

The current in a coil of self inductance 2.0 H is increasing according to I = 2 sin(t^{2}) A. The amount of energy spent during the period when current changes from 0 to 2 A is ____________ J.

Your input ____

2

JEE Main 2022 (Online) 24th June Evening Shift

Numerical

+4

-1

A circular coil of 1000 turns each with area 1m^{2} is rotated about its vertical diameter at the rate of one revolution per second in a uniform horizontal magnetic field of 0.07T. The maximum voltage generation will be ___________ V.

Your input ____

3

JEE Main 2021 (Online) 26th August Evening Shift

Numerical

+4

-1

If the maximum value of accelerating potential provided by a ratio frequency oscillator is 12 kV. The number of revolution made by a proton in a cyclotron to achieve one sixth of the speed of light is ...............

[m

[m

_{p}= 1.67 $$\times$$ 10^{$$-$$27}kg, e = 1.6 $$\times$$ 10^{$$-$$19}^{}C, Speed of light = 3 $$\times$$ 10^{8}m/s]Your input ____

4

JEE Main 2021 (Online) 26th August Evening Shift

Numerical

+4

-1

A circular coil of radius 8.0 cm and 20 turns is rotated about its vertical diameter with an angular speed of 50 rad s

^{$$-$$1}in a uniform horizontal magnetic field of 3.0 $$\times$$ 10^{$$-$$2}T. The maximum emf induced the coil will be ................. $$\times$$ 10^{$$-$$2}volt (rounded off to the nearest integer)Your input ____

Questions Asked from Electromagnetic Induction (Numerical)

Number in Brackets after Paper Indicates No. of Questions

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