The r.m.s. value of a sinusoidal A.C. current is equal to its value at an angle of_______degrees?

A. 282.8 V
B. 141.4 V
C. 111 V
D. 100 V

A. A coil with large resistance
B. A coil with low resistance
C. A coil with large distributed capacitance
D. A coil with low distributed capacitance

A. both waves must have same frequency
B. both waves must have identical peak values
C. both waves must have zero value at the same time
D. none of the above

A. be reduced by half
B. be doubled
C. be four times at high
D. be reduced to one fourth

A. peak value to r.m.s. value
B. r.m.s. value to average value
C. average value to r.m.s. value
D. none of the above

A. depends upon the magnitude of R
B. depends upon the magnitude of L
C. depends upon the magnitude of C
D. depends upon the magnitude of R, Land C