(d) Charge on capacitor for when it’s potential becomes $10\ V$ $Q = CV = 500 \times 10^{- 6} \times 10 = 5000 \times 10^{- 6}\mu C$ $\therefore$ Required time $= \frac{5000 \times 10^{- 6}}{100 \times 10^{- 6}} = 50\ \sec$
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.