CUET Preparation Today
CUET
Physics
Current Electricity
A 10.0 mF capacitor that is initially uncharged is connected in series with a 10.0 MΩ resistor and an emf source with E = 100 V. Just after the connection is made, the rate of increase of energy in the capacitor is |
zero 10−3J/s 0.5×10−3J/s 2×10−3J/s |
10−3J/s |
U=Q22C dUdt=QCdQdt=Q0e−tRCCQ0RCe−tRC dUdt=Q20RC2e−2tRC At t= 0 , dUdt=Q20RC2=E2R=10−3J/s |