Question

*If 100 Joule of work must be done to move a charge of 4 C from a place, where potential is -10 Volt to another place where potential is 'V' volt, then V will be:*

1️⃣ 15 Volt
2️⃣ 20 Volt
3️⃣ 25 Volt
4️⃣ 100 Volt

Answer 1

Explanation:

E = q× V

100 J = 4 × (V-(-10))

V+10 = 100÷4 =25

V + 10 = 25

V = 15 volt