Question

The electric field lines on the left have
twice the separation on those on the
right as shown in figure. If the
magnitude of the field at A is 40 Vm-1
what is the force on 20 uC charge kept
at B?
B.
А
(A) 4 x 10-4 Vm-1
(B) 8 x 10-4 Vm-1
(C) 16 x 10-4 Vm-1
(D) 1x 10-4 Vm-1​

Answer 1

Answer:

A) - 4×10−4Vm−1

Explanation:

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