What is the voltage in the section of the circuit, on which 300 J was done in 60 s with a current of 2 A?

Initial data: t (duration of the current strength) = 60 s; I (current on the circuit section) = 2 A; A (work done by current) = 300 J.

The desired voltage in the circuit section can be expressed from the following formula: A = U * I * t; U = A / (I * t).

Let’s do the calculations: U = 300 / (2 * 60) = 2.5 V.

Answer: A voltage of 2.5 V acts on this section of the circuit.