a. Find the capacitance C and the charge Q if connected to 200-V battery. Assume the dielectric constant is K = 5.0. b. A capacitor has a capacitance of 6μF with air as the dielectric. A battery charges the capacitor to 400 V and is then disconnected. What is the new voltage if a sheet of mica (K = 5) is inserted? What is new capacitance C ? c. Find the equivalent capacitance of a circuit in which a 6-μF capacitor is connected in series with two parallel capacitors whose capacitances are 5 and 4 μF.
a. Find the capacitance C and the charge Q if connected to 200-V battery. Assume the dielectric constant is K = 5.0. b. A capacitor has a capacitance of 6μF with air as the dielectric. A battery charges the capacitor to 400 V and is then disconnected. What is the new voltage if a sheet of mica (K = 5) is inserted? What is new capacitance C ? c. Find the equivalent capacitance of a circuit in which a 6-μF capacitor is connected in series with two parallel capacitors whose capacitances are 5 and 4 μF.
Chapter8: Capacitance
Section: Chapter Questions
Problem 62P: When a 360-nF air capacitor is connected to a power supply, the energy stored in the capacitor is...
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Question
a. Find the capacitance C and the charge Q if connected
to 200-V battery. Assume the dielectric constant is K =
5.0.
b. A capacitor has a capacitance of 6μF with air as the
dielectric. A battery charges the capacitor to 400 V and is
then disconnected. What is the new voltage if a sheet of
mica (K = 5) is inserted? What is new capacitance C ?
c. Find the equivalent capacitance of a circuit in which a
6-μF capacitor is connected in series with two parallel
capacitors whose capacitances are 5 and 4 μF.
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