If $\varepsilon$ 1 = 40 V $\varepsilon$ 2 = 120 V, R1 = 4

Multiple Choice

If $\varepsilon$ 1 = 4.0 V, $\varepsilon$ 2 = 12.0 V, R1 = 4 $\Omega$ , R2 = 12 $\Omega$ , C = 3 $\mu$ F, Q = 18 $\mu$ C, and I = 2.5 A, what is the potential difference Va-Vb?

A) (-30 V)
B) 30 V
C) 5.0 V
D) (-5.0 V)
E) (-1.0 V)