A capacitor in series with a resistor is required to reach about of its final charge in
PHYSICS · Subjective · A Level · Physics · Fields and their consequences · Fields and their consequences
Problem
A 4.7μF capacitor in series with a resistor is required to reach about 63% of its final charge in 18ms. Calculate the resistance needed (in Ω) to satisfy this timing specification. Give your answer to two significant figures.