Solve the problem.Use Ohm's Law, I = 
, to find the voltage V, given current 
and impedance 
A. 14(cos 110° + i sin 30°)
B. 14(cos 140° + i sin 140°)
C. 40(cos 30° + i sin 11°)
D. 40(cos 140° + i sin 140°)
Answer: D
Mathematics
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A. -65 B. 19 C. 12 D. -2
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Simplify the expression.
? 
A. 
B. 
C. 
D. 
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