True or false Which statements are true for two oppositely charged, isolated par

Question

True or false

Which statements are true for two oppositely charged, isolated parallel plates: C=capacitance, U = stored energy (Q and -Q = charge on the plates). Note: Isolated plates can not lose their charge. Inserting a dielectric increases C. When the distance is doubled, U increases. When the distance is halved, Q stays the same. Inserting a dielectric increases Q. Increasing the distance increases the Electric field. When the distance is doubled, C increases. Inserting a dielectric decreases U.

Explanation / Answer

the following statements are true:

When the distance is doubled, U increases.

Inserting a dielectric decreases U. (because C increases)

When the distance is halved, Q stays the same.

Inserting a dielectric increases C.(CK)

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