

MCQOPTIONS
Saved Bookmarks
1. |
In given circuit capacitor initially uncharged. Now at t=0 switch S is closed then current given by source at any time t is |
A. | \[\frac{2}{R}\left( 1-{{e}^{\frac{-2t}{CR}}} \right)\] |
B. | \[\frac{\varepsilon }{2R}\left( 1+{{e}^{\frac{-2t}{CR}}} \right)\] |
C. | \[\frac{\varepsilon }{2R}\left( 1-{{e}^{\frac{-2t}{CR}}} \right)\] |
D. | \[\frac{2\varepsilon }{R}\left( 1-{{e}^{\frac{-2t}{CR}}} \right)\] |
Answer» C. \[\frac{\varepsilon }{2R}\left( 1-{{e}^{\frac{-2t}{CR}}} \right)\] | |