Solve the problem.Ohm's law relates the current in a circuit, I, in amperes, the voltage of the circuit, V, in volts, and the impedance of the circuit, Z, in ohms, by the formula 
Find the current I when the impedance is 
and voltage is V = -3i volts.
A. 
amperes
B. 
amperes
C. 
amperes
D. (-9 + 3i) amperes
Answer: A
You might also like to view...
Find the character of the roots.4x2 + 12x + 9 = 0
A. Exactly one rational solution B. Two different imaginary solutions C. Two different rational solutions D. Two different irrational solutions
Solve the problem.Suppose that the dollar cost of producing x radios is 
Find the marginal cost when 40 radios are produced.
A. $14 B. $1480 C. -$1480 D. $46
When a firm creates value for customers by performing activities that its competitors can't perform, the firm is said to possess
A. a good reputation B. positive return for shareholders C. a competitive advantage D. intangible values
Solve the problem.An arrow is fired into the air with an initial velocity of 96 feet per second. The height in feet of the arrow t seconds after it was shot into the air is given by the function 
Find the maximum height of the arrow.
A. 240 ft B. 48 ft C. 144 ft D. 432 ft