ANSWERS MUST BE CORRECT: (Detailed explanation of order of processes required. T

Question

ANSWERS MUST BE CORRECT: (Detailed explanation of order of processes required. Take your time and answer it perfectly to receive credit. The most detailed answer and explanation will be awarded points).

ESSAY TOPIC:

Explain why the electric field between two parallel plates of a capacitor decreases when a dielectric is inserted if the capacitor is not connected to a power supply, but remains the same when it is connected to a power supply.

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Essay answers are limited to about 500 words (3800 characters maximum, including spaces).

Explanation / Answer

When capacitor is not connected and we insert a dielectric opposite harges are induced in the dielectric . This charge creates a electric field in the opposite ditrection of the field of the capacitor and hence decreass the field.

When we have a source connected The potential of the plates is fixed to V.

Electric field is always V/d , since V and d are constant E wont change.

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