Mica Capacitors
Mica Capacitors
A sheet of Mica is inserted between the plates of a capacitor?? Properties of Mica anyone ?!?
A sheet of Mica is inserted between the plates of an isolated charged parallel-plate capacitor.
Which of the following statements is true ?
( P.S : It can only be ONE of the following )
1 – The electric field between the capacitor plates increases.
2- The potential difference across the capacitor decreases
3- The capacitance decreases.
4- The energy of the capacitor does not change.
5- The charge on the capacitor plates decrease.
thx..
Putting in a dialectric substance increases the capacitance:
C = Q/V
Since the plates are isolated, the charge isn’t changing, so the voltage drops.
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