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WorksheetsElectric Circuit Quiz
Total questions: 19
Worksheet time: 10mins
What is electric current?
The sound produced by a guitar
The speed of light in a vacuum
The movement of water through a pipe
The flow of electric charge through a conductor.
What is the unit of electric current?
A
D
C
B
What is the direction of conventional current flow?
It changes depending on the type of material
From positive to negative
In a circular motion
From negative to positive
What is the SI unit of electric charge?
Ampere
Volt
Ohm
Coulomb
What is the formula to calculate electric current?
P = VI
V = IR
R = V/I
I = Q/t
What is the instrument used to measure electric current?
barometer
ammeter
thermometer
voltmeter
What is the difference between AC and DC current?
AC current and DC current both flow in one direction only.
AC current flows in one direction only, while DC current changes direction periodically.
AC current changes direction periodically, while DC current flows in one direction only.
AC current and DC current are the same thing.
What is the effect of increasing resistance on current in a circuit?
Have no effect
Increase
Remain the same
Decrease
What is the relationship between voltage, current, and resistance in a circuit?
V = I * R
V = I / R
V = I + R
V = I ^ R
What is the role of a switch in an electric circuit?
Controls the flow of electricity
Regulates the temperature of the circuit
Transmits data wirelessly
Generates electricity
What is the role of a voltmeter in an electric circuit?
To measure voltage or potential difference
To measure current flow
To measure resistance
To measure power consumption
What is the role of an ammeter in an electric circuit?
To measure electric voltage
To measure electric resistance
To measure electric power
To measure electric current
What is the function of a switch in an electric circuit?
To store electric charge
To increase the voltage in the circuit
To generate electric current
To control the flow of electric current
What is the purpose of a fuse in an electric circuit?
The purpose of a fuse in an electric circuit is to generate electricity for the circuit.
The purpose of a fuse in an electric circuit is to protect the circuit from excessive current.
The purpose of a fuse in an electric circuit is to regulate the flow of current.
The purpose of a fuse in an electric circuit is to increase the voltage in the circuit.
What is the role of a resistor in an electric circuit?
The role of a resistor in an electric circuit is to increase the flow of electric current.
The role of a resistor in an electric circuit is to store electric charge.
The role of a resistor in an electric circuit is to generate electric power.
The role of a resistor in an electric circuit is to limit or control the flow of electric current.
What is the difference between AC and DC current?
AC current flows faster than DC current.
AC current periodically changes direction, while DC current flows in only one direction.
AC current and DC current are the same thing.
AC current flows in only one direction, while DC current periodically changes direction.
What is the formula to calculate electric current?
I = V - R
I = V + R
I = V/R
I = V x R
What is the SI unit of electric current?
A
D
C
B
What is electric current?
The flow of electric charge in a conductor.
The flow of water in a conductor.
The flow of sound in a conductor.
The flow of heat in a conductor.
