T - - - - - - - - - - - 7. & A a 1, , b rints IN , ENWWL Question #3. (4 points)

Question

T - - - - - - - - - - - 7. & A a 1, , b rints IN , ENWWL Question #3. (4 points) 'E= JOY; man he emf and the internal resistance of a battery are as shown in the figure above. A current of 7.8 Amps is established through the battery from b to a. We want to determine the terminal voltage, Vad. Write an equation for the magnitude of the voltage drop across the internal resistance. 1 point What is the sign of the voltage change as you go from b toward a through the battery? (circle one) Positive Negative 1 point What is the terminal voltage, Vas? (ie. what is V.-V,?) 9.OV - 7.A H2M HAY 2 points LT) (include units!!)

Explanation / Answer

As per the question circuit-

Vb + 9 -I*Rint = Va

Vb + 9-(7.8)(2) = Va

Vb +9-15.6 = Va

Vb - Va = -6.6 Volt

Va - Vb = 6.6 volt

Vab = 6.6 volt

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