Electric potential due to a point charge

 Electric Potential due to a Point Charge:


The electric potential at a point due to a point charge is given by:


V = k * q / r


Where:


1. V = electric potential (volts)

2. k = Coulomb's constant (approximately 9 x 10^9 N m^2/C^2)

3. q = charge (coulombs)

4. r = distance from the charge (meters)


Key points:


1. Inverse proportionality: Electric potential decreases with increasing distance from the charge.

2. Charge dependence: Electric potential depends on the magnitude and sign of the charge.

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