Answer to Question #235825 in Mechanical Engineering for Fati

Question #235825

9. If the potential at a point which is 1m from a charge is 1 volt, then the potential at a point which is 2m from the same charge will be:


1
Expert's answer
2021-09-12T07:24:49-0400

The electric potential due to a point charge is given by;

Where k =9.0×10^9 Nm²/C²

From which

Given for 1m=1volt,

=

=1.1111*10-10C

Now for r=2m?

=0.5volts


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