Problem

# How much work does the electric field do in moving a –7.7 μC charge from ground to a point...

How much work does the electric field do in moving a –7.7 μC charge from ground to a point whose potential is +55 V higher?

#### Step-by-Step Solution

Solution 1

The charge q=-7.7 μ C

Initial potential Vi=0 V

Finial potential Vf=+55 V

Work done in moving the charge q by the electric field.

W=-q(Vf-Vi)

=-(-7.7 × 10-6)(55-0) J

=4.235 × 10-4 J