Which of the following is true for the direction of an electric field? a.
It is same as the direction of the force exerted on a negative test charge.
b.
It is opposite to the direction of the force exerted on a positive test charge.
c.
It is same as the direction of the force exerted on a positive test charge.
d.
It is opposite to the direction of the force exerted on a neutral test charge.

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