Solve.An equation used in the study of Class C amplifiers is R = 
,where R is the internal resistance of the tube and ? is the angle that indicates the portion of the cycle during which the current is allowed to flow. Find the value of R when ? is 57°. Round to the thousandths place.
A. 5.839
B. 0.2714
C. 0.0556
D. 0.3464
Answer: C
Mathematics
You might also like to view...
Provide an appropriate answer.Which of the following relations is incorrect?
A. 
=
B. 
n = 
C. 
=
D. All of the above
Mathematics
Multiply.-5(8x + 7)
A. -40x - 35 B. -10x C. -40x + 35 D. -40x + 7
Mathematics
Graph the linear function.h(x) = 
x - 1
A. 
B. 
C. 
D. 
Mathematics
Find all complex solutions.16x3 + x = 0
A. ±
i
B. 0
C. 0, ±
i
D. 0, ±
i
Mathematics