(More) Waveforms

Question 1

At pi/3 radians, what is the amplitude of a sine-wave having a peak value of 5
volts?

Answer 1

+4.3 Volts

Question 2

At 150 degrees, what is the amplitude of a sine-wave having a peak value of 5
volts?

Answer 2

+2.5 Volts

Question 3

At 240 degrees, what is the amplitude of a sine-wave having a peak value of 5 volts?

Answer 3

-4.3 Volts

Question 4

What is the equivalent to the root-mean-square value of an AC voltage?

Answer 4

The DC voltage causing the same heating in a given resistor as the RMS AC voltage of the same value.

Question 5

What is the RMS value of a 340-volt peak-to-peak pure sine wave?

Answer 5

120 Volts AC