Solve the problem.The impedance Z, in ohms, of a circuit element is defined as the ratio of the phasor voltage V, in volts, across the element to the phasor current I, in amperes, through the element. That is, Z = 
. If the voltage across a circuit element is 
and the current through the element is 
what is the impedance?
A. 
ohms
B. 
ohms
C. 
+ 
i ohms
D. 
+ 
i ohms
Answer: C
Mathematics
You might also like to view...
Solve the problem.Rosie can crochet a 5 cm by 49 cm strip in 2 hours. If there is a 1199 cm2 area completed when she starts and she crochets for 5 hours, how much total area will Rosie have finished?
A. 2424 cm2 B. 1444 cm2 C. 612.5 cm2 D. 1811.5 cm2
Mathematics
Use the shell method to find the volume of the solid generated by revolving the shaded region about the indicated axis.About the y-axisx = 3
A. 
?
B. 18?
C. 
?
D. 27?
Mathematics
Write the expression by using exponents.3 ? 3 ? 3 ? 3 ? 3 ? 3
A. 36 B. 35 C. 18 D. 63
Mathematics
Make the following length or weight conversion between the U.S. and the metric system.237 miles to kilometers (Round to the nearest thousandth.)
A. 381.333 km B. 147.296 km C. 131.667 km D. 428.733 km
Mathematics