3.1 measuring ac

Question 1

How do you measure frequency and peak voltage from an oscilloscope?

Answer 1

Frequency: find the period using the boxes between two crests and the timebase, then F=1/T
Peak voltage: boxes from centre of wave to crest times by the y-gain

Question 2

What is the peak value (current and voltage)

Answer 2

Maximum value the supply can give

Question 3

What is the rms value (current and voltage)?

Answer 3

Equivalent to a dc voltage that produces the same power