WorksheetsAC Circuits Quiz
Total questions: 9
Worksheet time: 9mins
Name
Class
Date
1.
What does AC stand for in AC circuits?
a)
Alternating Current
b)
Active Current
c)
Amplified Current
d)
Absolute Current
2.
What is the unit of frequency in AC circuits?
a)
Volts
b)
Ohms
c)
Hertz
d)
Amperes
3.
In a purely resistive AC circuit, how do voltage and current relate?
a)
Current lags voltage by 90 degrees
b)
Voltage lags current by 90 degrees
c)
Voltage and current are in phase
d)
Voltage and current are out of phase
4.
In a purely inductive AC circuit, by how many degrees does the current lag the voltage?
a)
0 degrees
b)
45 degrees
c)
90 degrees
d)
180 degrees
5.
In a purely capacitive AC circuit, by how many degrees does the current lead the voltage?
a)
0 degrees
b)
45 degrees
c)
90 degrees
d)
180 degrees
6.
What does a phasor diagram represent in AC circuits?
a)
Only voltage
b)
Only current
c)
The relationship between voltage and current
d)
The power factor
7.
What is the unit of inductive reactance?
a)
Amperes
b)
Volts
c)
Ohms
d)
Hertz
8.
How does a capacitor store energy?
a)
In a magnetic field
b)
In an electric field
c)
In a chemical form
d)
In a mechanical form
9.
In an RLC circuit, if the inductive reactance (XL) is greater than the capacitive reactance (XC), the current will:
a)
Lead the voltage
b)
Lag the voltage
c)
Be in phase with the voltage
d)
Be zero
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