Magnetic Effects of Current and Magnetism-Electric Charge Moving in Magnetic Field (NEET Physics): Questions 28 - 29 of 29

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Question number: 28

» Magnetic Effects of Current and Magnetism » Electric Charge Moving in Magnetic Field

Appeared in Year: 2016

MCQ▾

Question

An electron is moving in a circular path under the influence of a transvers magnetic field of Equation If the value of Equation is Equation , the frequency of revolution of the electron is:

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 29

» Magnetic Effects of Current and Magnetism » Electric Charge Moving in Magnetic Field

Appeared in Year: 2017

MCQ▾

Question

A Equation Turn rectangular coil of length Equation and width Equation carries a current of Equation are subjected to a magnetic field of strength Equation Work done for rotating the coil by Equation against the torque is –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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