Author Question: A 12 mF capacitor is connected in series with a 4 mF capacitor, the combination being connected ... (Read 93 times)

formula1 · **on:** Jul 27, 2018

A 12 mF capacitor is connected in series with a 4 mF capacitor, the combination being connected across a 6 V power supply. The charge on the 12 mF capacitor is

A) 24 mC.
B) 12 mC.
C) 18 mC.
D) 72 mC.
E) 36 mC.

Question 2

A 4.0 F capacitor is charged to 6.0 V. It is then connected in series with a 3.0 M resistor and connected to a 12. V battery. How long after being connected to the battery will the voltage across the capacitor be 9.0 V?

A) 5.5 s
B) 8.3 s
C) 11. s
D) 12. s
E) 17. s