JEE Main & Advanced
Physics
Electrostatics & Capacitance
Question Bank
Capacitance
question_answer
The capacity of a parallel plate condenser is \[5\mu F\]. When a glass plate is placed between the plates of the conductor, its potential becomes \[1/8th\]of the original value. The value of dielectric constant will be [MP PMT 1985]
A) 1.6
B) 5
C) 8
D) 40
Correct Answer:
C
Solution :
\[V'=\frac{V}{8}\] Þ \[\frac{V}{K}=\frac{V}{8}\] Þ K = 8