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A -10.0 nC point charge and a +20.0nC point charge are 13.5 cm apart on the...

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Question

Physics

A -10.0 nC point charge and a +20.0nC point charge are 13.5 cmapart on the x-axis.

Part A

What is the electric potential at the point on the x-axis wherethe electric field is zero?

Express your answer with the appropriate units.

Part B

What is the magnitude of the electric field at the point on thex-axis, between the charges, where the electric potentialis zero?

Express your answer with the appropriate units.

Answer & Explanation Solved by verified expert
4.4 Ratings (987 Votes)
a When the points have different charges and magnitudes the zerofield point and there can be only one lies outside the charge of smaller magnitude This is because between them the field points toward the negative charge and    See Answer
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