JEE Main 2009 + NEETMedium
Q.A 2 μF capacitor is charged to 100 V and then connected across a 1 MΩ resistor. The time taken for voltage to fall to 37 V is approximately
a
2 s
b
1 s
c
4 s
d
0.5 s
Correct Answer: Option A
The correct solution involves applying the fundamental concept to derive the final value step by step...