Year: 2024 Re-Exam
Topic: Electrostatic potential and capacitance
Time :
1. The value of electric potential at a distance of 9 cm from the point charge 4 × 10
−7
C is (Take \( \frac{1}{4πϵ_0} = 9 × 10^9 \) Nm
2
C
-2
)
(1). 4 × 10
2
V
(2). 44.4 V
(3). 4.4 × 10
5
V
(4). 4 × 10
4
V