Friday, May 21, 2010

Imagine that the sign of the test particle is changed?

Now imagine that the sign of our test particle is changed from positive to negative, but the electric potential remains the same. Which of the following statements is correct?





A)`The direction of the force will change and it will point to regions of higher potential energy.


B)`The direction of the force will not change and it will point to regions of higher potential energy.


C)`The direction of the force will not change and it will point to regions of lower potential energy.


D)`The direction of the force will change and it will point to regions of lower potential energy.

Imagine that the sign of the test particle is changed?
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Direction of electric field is from higher to lower potential.





Direction of force on negative charge is opposite to direction o f electric field





Direction of force on negative charge is from lower to higher potential





The direction of the force will point to regions of higher potential energy.





The correct choice is A)


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