An ideal 15 V emf source connected to an ideal 70 kiloohm resistor and a 12 µF capacitor. The switch is closed at t = 0. At what time t will the voltage across the capacitor be 10 V?
A. 0.28 s.
B. 0.34 s.
C. 0.56 s.
D. 0.92 s.
Answer:D
An ideal 15 V emf source connected to an ideal 70 kiloohm resistor and a 12 µF capacitor. The switch is closed at t = 0. At what time t will the voltage across the capacitor be 10 V?
A. 0.28 s. B. 0.34 s. C. 0.56 s. D. 0.92 s.