In electrical circuits, the impedance Z (or opposition to the flow of electricity), voltage V, and current I can all be represented by complex numbers. They are related by the equation Z = 
. Use this equation to find the value of the missing variable.I = 2 + 8i, Z = 4 - 2i
A. V = - 
- 
i
B. V = 8 - 16i
C. V = -8 + 28i
D. V = 24 + 28i
Answer: D
Mathematics
You might also like to view...
Solve for the angle ?, where 0 ? ? ? 2?cos2? = 
A. ? = 
, 
, 
, 
B. ? = 0, ?, 2?
C. ? = 
, 
, 
, 
D. ? = 
, 
, 
, 
Mathematics
Solve the system graphically.x + 7y = 77x - 4y = -4
A. (1, 0) B. (0, 1) C. (1, 1) D. (0, 0)
Mathematics
Replace the question mark by <, >, or =, whichever is correct.-56
12
A. < B. > C. =
Mathematics
Solve the equation.b(b + 11) = 0
A. {-1, -11} B. {-11, 0} C. {1, -11} D. {11, 0}
Mathematics