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Question
Assertion :STATEMENT-1 : To put a dielectric plate in the inter space between two plates of a capacitor connected to a D.C. voltage external agency has to do negative work. Reason: STATEMENT-2 : Putting the dielectric increases the capacitance.
Assertion :STATEMENT-1 : To put a dielectric plate in the inter space between two plates of a capacitor connected to a D.C. voltage external agency has to do negative work. Reason: STATEMENT-2 : Putting the dielectric increases the capacitance.
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Solution
The correct option is B Statement-1 is True, Statement-2 is True;Statement-2 is NOT a correct explanation for Statement-1
Both the statement is correct but the reason is that the electrostatic field exerts a force directed inward on the dielectric. Hence external agency has to apply an opposing force, i.e. opposite direction of the dielectric movement i.e. negative work
Both the statement is correct but the reason is that the electrostatic field exerts a force directed inward on the dielectric. Hence external agency has to apply an opposing force, i.e. opposite direction of the dielectric movement i.e. negative work
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