What determines the rate at which energy...

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

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Electric power of the appliance.

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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 mega ohm resistor and an uncharged 1 mu F capacitor are connected in a single loop circuit with a constant source of 4 volt. At one second after the connection is made what are the rates at which, (iv) Energy is being delivered by the source.

A3 H inductor is placed in series with 10 Omega resistor and an emf of 10V is applied to the combination. Find (i) the current at 0.3s, (ii) the rate of increase of current at 0.3s, (iii) the rate at which energy is dissipated as heat at t = 0.3s . (iv) the rate at which energy is stored in the magnetic field at 0.3s. (v) the rate at which energy is delivered by the battery, and (vi) the energy stored when the current has attained steady value.

If a battery of emf E, internal resistance r is being charged by a current I from a charge then the rate at which energy is supplied by charger is ……. And the rate at which chemical energy is stored in the battery is ……

An electric current of 4.0A flows through a 12Omega resistor. What is the rate at which heat energy is produced in the resistor?

An L-C-R series circuit with L = 0.120 H, R = 240 a , and C = 7.30muF carries an rms current of 0.450 A with a frequency of 400 Hz . (a) What are the phase angle and power factor for this circuit? (b) What is the impedance of the circuit? (c) What is the rms voltage of the source? (d) What average power is delivered by the source? (e) What is the average rate at which electrical energy is converted to thermal energy in the resistor? (f) What is the average rate at which electrical energy is dissipated ( converted to other forms) in the capacitor? (g) In the inductor ?

At t=0 , switch S is closed, calculate (a) initial rate of increase of current i.e. (di)/(dt) at t=0 (b) (di)/(dt) at time when current in the circiut is 1A (c) current at t=0.5sec (d) rate at which energy of magnetic field is incresing, rate of heat produced in resistance and rate at which energy is supplied by battery when i=1A (e) energy stored in inductor in steady state

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