Question

What must the emf EE in the figure (Figure 1) be in order for the current through the 7.00 ΩΩ resistor to be 1.85 AA ? Each emf source has negligible internal resistance.

Answer 1

The emf in the figure must be 12.95 V for the current through the 7.00 Ω resistor to be 1.85 A.

Step-by-step explanation:

In order for the current through the 7.00 Ω resistor to be 1.85 A, the emf in the figure must be 12.95 V.

To determine the emf, we use Ohm's law. The current through the resistor is equal to the voltage drop across it divided by its resistance. So, we have:

I = V / R

1.85 A = V / 7.00 Ω

V = (1.85 A) * (7.00 Ω) = 12.95 V

Therefore, the emf in the figure must be 12.95 V for the current through the 7.00 Ω resistor to be 1.85 A.