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WorksheetsY7-Electric Circuits Quiz
Total questions: 28
Worksheet time: 14mins
This is the symbol for a...
Light Dependent Resistor
Light Emitting Diode
Thermistor
Cell
This is the symbol for a...
Light Emitting Diode
Light Dependent Resistor
Fuse
Cell
This is the symbol for a...
Fuse
Wire
Light Emitting Diode
Heater
This is the symbol for a...
Fixed Resistor
Variable Resistor
Light Dependent Resistor
Fuse
In this type of circuit, charge has only one path through which it can flow.
Series Circuit
Parallel Circuit
Alternating Circuit
Direct Circuit
In a parallel circuit the current
passes though electric cables that go in different directions
passes through emotional moments
passes through each part of the circuit in the same direction
passes by your house
The flow of electrical charge per unit time is known as
Voltage
Current
Resistance
Power
It’s defined as the amount of energy required to move a charge between two points.
Voltage
Current
Resistance
Power
A potential difference of 24 V is applied to a 150 resistor. How much current flows through the resistor?
0.15 A
3600 A
6.25 A
0.16 A
Which is the right form of Ohm's Law?
V=I/R
V=R/I
I=V/R
I=R/V
What is the voltage of a circuit with 4 ohms of resistance and 3 amps of current?
12 V
21 V
4/3 V
3/4 V
What is the unit of resistance?
Ohms
Watts
Volts
Amps
Which component is used to store electrical energy?
Resistor
Capacitor
Inductor
Diode
This is the symbol for a _____?
Capacitor
Inductor
Diode
Transistor
What is the unit of electrical power?
Watts
Ohms
Volts
Amps
Which component is used to control the flow of current in a circuit?
Resistor
Capacitor
Inductor
Diode
What is the formula for calculating electrical power?
P = IV
P = I/R
P = V/R
P = IR
What is the function of a diode in a circuit?
To store electrical energy
To allow current to flow in one direction only
To resist the flow of current
To amplify signals
Which component is used to measure the current in a circuit?
Voltmeter
Ammeter
Ohmmeter
Wattmeter
