A 10-volt potential difference is applied across a 4-m copper wire. Determine the rate of conversion of electrical energy to thermal energy, in megawatts, if the conductor has a diameter of 0.04 mm. For copper, there are 8.5 x 1028 electrons per unit volume and the mean time per collision is approximately 2.6 × 10-14 s. Express your answers accurate to four decimal places, whenever applicable. No need to put the unit of measurement in the final answer.

A 10-volt potential difference is applied across a 4-m copper wire. Determine the rate of conversion of electrical energy to thermal energy, in megawatts, if the conductor has a diameter of 0.04 mm. For copper, there are 8.5 x 1028 electrons per unit volume and the mean time per collision is approximately 2.6 × 10-14 s. Express your answers accurate to four decimal places, whenever applicable. No need to put the unit of measurement in the final answer.