Alternating Current Flashcards
(9 cards)
1
Q
Period
A
The time taken to complete one full cycle of a waveform
2
Q
Frequency
A
Number of cycles per second
3
Q
Peak value
A
The maximum value of current or voltage in either direction
4
Q
A voltage source has a peak value of 10V and f=50Hz. Write the equation for V(t)
A
V(5)=10sin(50(pi)t)
5
Q
Given I(t)= 4sin(120(pi)t), state peak current, frequency and period
A
Peak =4
f=60hz
1/60s
6
Q
V(t)=15sin(314t)
Find peak voltage, freaking and Effective voltage(rms)
A
7
Q
V(t)=15sin(314t)
Find peak voltage, frequency and Effective voltage(rms)
A
Vo=15
Vrms=10.6
f=50Hz
8
Q
Peak V=12xsqr(2)
Peak I = 0.2xsqr(2)
What is the power generated?
A
P=VI=2.4W
9
Q
Formula for mean power
A
Pmean=0.5
