Define the SI unit of magnetic field. “A charge moving at right angles to a uniform magnetic field does it undergo change in kinetic energy”. Why?

Solution

The strength of magnetic field at a point is called one Tesla, if a charge of 1 Coulomb when moving with a velocity of 1 metre per second along a direction perpendicular to the direction of magnetic field, experiences a force of 1 Newton.

The magnitude of velocity remains same and hence, the field does no work on the particle. Therefore there is no change in kinetic energy.

Some More Questions From Moving Charges And Magnetism Chapter

Answer the following questions:
A charged particle enters an environment of a strong and non-uniform magnetic field varying from point to point both in magnitude and direction, and comes out of it following a complicated trajectory. Would its final speed equal the initial speed if it suffered no collisions with the environment?

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Moving Charges And Magnetism

Define the SI unit of magnetic field. “A charge moving at right angles to a uniform magnetic field does it undergo change in kinetic energy”. Why?

Some More Questions From Moving Charges And Magnetism Chapter

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