In work with alternating current, complex numbers are used to describe current I, voltage E, and impedance Z. These three quantities are related by the equation E = IZ. Solve the equation E = IZ for the missing variable.I = 7 + 2i, Z = 5 + 4i
A. E = 35 + 8i
B. E = 43 + 38i
C. E = 27 + 38i
D. E = 35 + 46i
Answer: C
Mathematics
You might also like to view...
Solve the problem.A corporation's bank account has a balance of $6219. The following positive entries (deposits) and negative entries (withdrawals) are made to the account. 2902, -5602, -3370, 2303, and 4062What is the ending balance?
A. $9986 B. $6514 C. $5924 D. -$6514
Mathematics
Add.897 + 69,223
A. 78,193 B. 71,550 C. 70,120 D. 69,120
Mathematics
Express the denominate number and a compound denominate number.Express 23 fluid ounces in terms of cups and fluid ounces
A. 2 cups 7 fluid ounces B. 5 cups 3 fluid ounces C. 2 cups 3 fluid ounces D. 4 cups 3 fluid ounces
Mathematics
Simplify the radical expression. Assume all variables represent positive real numbers.9
- 3
A. 6
B. -27
C. 6
D. 12
Mathematics