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What determines the rate at which energy is delivered by a current ?

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What determines the rate at which the energy is delivered by a current?

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A 3.56 H inductor is placed in series with a 12.8Omega resistor. An emf of 3.24 V is then suddenly applied across the RL combination. (a) At 0.278 s after the emf is applied what is the rate at which energy is being delivered by the battery? (b) At 0.278 s , at what rate is energy appearing as thermal energy in the resistor? (c) At 0.278 s , at what rate is energy being stored in the magnetic field?

A 3.56 H inductor is placed in series with a 12.8Omega resistor. An emf of 3.24 V is then suddenly applied across the RL combination. (a) At 0.278 s after the emf is applied what is the rate at which energy is being delivered by the battery? (b) At 0.278 s , at what rate is energy appearing as thermal energy in the resistor? (c) At 0.278 s , at what rate is energy being stored in the magnetic field?

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