WorksheetsC9 Electricity and Circuits QUIZ
Total questions: 25
Worksheet time: 13mins
An iPod uses a standard 1.5 V battery. How much resistance is in the circuit if it uses a current of 0.01 A?
50Ω
100Ω
150Ω
200Ω
A circuit contains a 1.5 V battery and a bulb with a resistance of 3 Ω . Calculate the current.
0.5A
1A
1.5A
2A
What current flows through a hair dryer plugged into a 120 V circuit if it has a resistance of 25 Ω?
2.4A
3.6A
4.8A
6A
How much voltage would be necessary to generate 10 A of current in a circuit that has 5 Ω of
resistance?
10V
50V
100V
150V
An electric heater works by passing a current of 100 A though a coiled metal wire, making it red hot. If the resistance of the wire is 1.1 Ω, what voltage must be applied to it?
70V
90V
110V
130V
What is the unit of potential difference (p.d)?
Ampere (A)
Newton (N)
Ohm (Ω)
Volt (V)
The movement of electrons is called:
This is related to the force/ push that causes electric charges to flow in a circuit:
Thrust
current
resistance
capacitance
Which of the following statements is/are TRUE?
Charge is the fundamental quantity of electricity
There are two types of electric charge: positive and negative.
The SI unit for charge is Coulomb
All of the above
The movement or flow of protons causes the presence of electric current.
TRUE
FALSE
Which of the following refers to the ability of a material to reduce the flow of charge through it?
current
inertia
resistance
voltage
What is the unit of measurement of resistance?
Amperes (A)
Ohms (Ω)
Volts (V)
Given the schematic diagram, which of the following components are present? (This question has multiple correct answers)
switch
resistors
loads
conductors
source/ supply
The diagram shows a battery connected to two resistors.
Four students separately measure the electromotive force (e.m.f.) of the battery, the current in the resistors, and the potential difference (p.d.) across resistor R.
Their results are shown in the table below. Which row shows values with their correct units?
emf= 3.0 A
current= 0.30 V
p.d.=1.5A
emf= 3.0 A
current= 0.30 A
p.d.=1.5V
emf= 3.0 V
current= 0.30 V
p.d.=1.5A
emf= 3.0 V
current= 0.30 A
p.d.=1.5V
Which produces an electromotive force (e.m.f.)?
a spring balance
a battery
a resistor
a spring balance
This symbol represents a ..............
ammeter
voltmeter
thermistor
switch
This symbol represents a .............
voltmeter
L.E.D
fuse
ammeter
This symbol represents a .........
Resistor
Battery
Thermistor
Fuse
This symbol represents a ...........
A snapped wire
Fuse
Switch
L.E.D.
What is voltage?
the amount of push the electrical source supplies to the circuit
how much a given device resists the flow of electric current
flow of electric charge
none of the above
