Question

If an electron of velocity is subjected to magnetic field of 4k then it is

Answer 1

If electron velocity is 2i+4j and it is subjected to magnetic field of 4k, then its path will change.

Explanation:

Correct statement:

If electron velocity is 2i+4j and it is subjected to magnetic field of 4k, then its

Given data:

Velocity = 2i+4j

Magnetic field "B" = 4k

Solution:

F = q( v x B)

F = q[ 2i + 4j) x 4k ]

F = q ( 8i x k + 16j x k)

F = q ( -8j + 16i)

Let's say

-8j  = -y

16i = +x

If electron velocity is 2i+4j and it is subjected to magnetic field of 4k, then its path will change.

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