Question

If $50$ joule of work must be done to move an electric charge of $2C$ from a point, where potential is $-10$ volt to another point, where potential is $V$ volt, the value of $V$ is

• A. 5 V
• B. - 15 V
• C. + 15 V
• D. + 10 V

Answer 1

Answer: (C)

$50=2(V-(-10))$
$25=V+10$
$V=15V$