WorksheetsAlternating current
Total questions: 10
Worksheet time: 5mins
Alternating voltage (V) is represented by the equation
V(t) = Vm eωt
V(t) = Vm sin ωt
V(t) = Vm cot ωt
V(t) = Vm tan ωt
The unit of frequency is
Cycle
Cycle-second
Hertz/second
hertz
A vector quantity has
Only magnitude
Only direction
Both (a) and (b)
none of these
The number of instantaneous values between zero and the peak value is
Zero
One
Eleven
Infinity
The most common waveforms of ac is
square wave
triangular wave
complex wave
sine wave
The variation of a quantity such as voltage or current shown on a graph is known as ___________
Waveform
Peak value
Instantaneous value
Period
What is the duration of one cycle known as _________
Waveform
Peak value
Instantaneous value
Period
The repetition of a variable quantity, recurring at equal intervals, is known as ___________
Waveform
Instantaneous value
Cycle
Period
The value of a given waveform at any instant time is termed as ___________
Waveform
Instantaneous value
Cycle
Period
The maximum instantaneous value measured from zero value is known as?
Peak value
Peak to peak value
Cycle
Period
