Two cylindrical conductors A and B of the same diameter length L and 2L and different materials of resistivity p and 5 p are

Question

Two cylindrical conductors A and B of the same diameter length L and 2L and different materials of resistivity p and 5 p are connected in series with a battery of EMF 28 V If L 25 cm the magnitude of electric field in conductor A is 4 EA N C

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