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For the circuit shown in the figure the ...

For the circuit shown in the figure the rms value of voltage across `R` and coil are `E_(1)` and `E_(2)` respectively.
The power (thermal) developed across the coil is

A

`(E-E_1^2)/(2R)`

B

`(E-E_1^2-E_2^2)/(2R)`

C

`(E^2)/(2R)`

D

`(E-E_1)^2/(2R)`

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