Multiple Choice
If 1 = 4.0 V, 2 = 12.0 V,R1 = 4 ,R2 = 12 ,C = 3 F,Q = 18 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
Correct Answer:

Verified
Correct Answer:
Verified
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