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WorksheetsIG Physics Quiz - Circuit
Total questions: 55
Worksheet time: 50mins
Which diagram shows how the rod becomes negatively charged, and the final charge on the cloth?
A
B
C
D
Which pair of changes must cause the resistance of the wire to increase?
A decreasedecrease
B decreaseincrease
C increasedecrease
D increaseincrease
Which row describes the nature and a property of all β-particles?
A electrons can travel through a vacuum
B electrons stopped by a thin sheet of paper
C helium nuclei can travel through a vacuum
D helium nuclei stopped by a thin sheet of paper
Which pair of materials is suitable for the cable?
A copperplastic
B leadwood
C plasticcopper
D woodlead
Which row shows values with their correct units?
A 3.0 A0.30 V1.5 A
B 3.0 A0.30 A1.5 V
C 3.0 V0.30 V1.5 A
D 3.0 V0.30 A1.5 V
Which wire has the smallest resistance?
A 2.01.0
B 2.01.5
C 3.01.0
D 3.01.5
To be certain of making a second resistor of higher resistance, he should use a piece of wire that is
A longer and thicker.
B longer and thinner.
C shorter and thicker.
D shorter and thinner.
Why do the rod and balloon repel?
A The rod and the balloon have opposite charges.
B The rod and the balloon have like charges.
C The rod is charged but the balloon is not.
D The balloon is charged but the rod is not.
What do the soft-iron nails do as the switch is closed, and what do they do when the switch is then opened?
A nails jump up nails fall down
B nails stay down nails jump up
C nails jump up nails stay down
D nails stay up nails fall down
Which wire, made of the same metal, has a smaller resistance?
A a wire of the same length with a larger diameter
B a wire of the same length with a smaller diameter
C a wire of greater length with the same diameter
D a wire of greater length with a smaller diameter
Which diagram shows the pattern of the magnetic field produced by a current-carrying solenoid?
A
B
C
Which wire has a greater resistance than the wire he has measured?
A a shorter wire with a larger diameter
B a shorter wire with the same diameter
C a wire of the same length with a larger diameter
D a wire of the same length with a smaller diameter
Which row describes the charge on the strips after rubbing, and the force between the strips after rubbing?
What is the unit of electromotive force (e.m.f.)?
A ampere
B newton
C ohm
D volt
Which sample of copper wire has the greatest electrical resistance?
A 1.02.0
B 1.04.0
C 102.0
D 104.0
Which row gives the unit for electromotive force (e.m.f.) and the unit for potential difference (p.d.)?
A newtonjoule
B newtonvolt
C voltjoule
D voltvolt
What is the unit of electrical power?
A ampere
B joule
C volt
D watt
Which wire has the highest resistance?
A the wire with the greater length and the larger diameter
B the wire with the greater length and the smaller diameter
C the wire with the smaller length and the larger diameter
D the wire with the smaller length and the smaller diameter
Which row shows the results of the student that makes a mistake?
A 1.2.2 0.500
B 2.4.4 1.100
C 1.5.50.625
D 3.0.0 1.250
What happens to the rods in each position?
A they attract they attract
B they attract they repel
C they repel they attract
D they repel they repel
In which wire is the current the largest?
Which row compares the charges on the rod and the cloth, and describes the effect of the force between the rod and the cloth?
A opposite attract
B opposite repel
C the same they attract
D the same they repel
Which pair of changes, if both are carried out, must increase the resistance of the wire?
A decrease l and decrease d
B decrease l and increase d
C increase l and decrease d
D increase l and increase d
Which row shows possible values for the readings on the meters?
A 2.0 A12 V
B 2.0 V12 A
C 12 A2.0 V
D 12 V2.0 A
Which two rods would both be suitable to use?
A a copper rod and a glass rod
B a glass rod and a plastic rod
C a plastic rod and a copper rod
D a plastic rod and a steel rod
Which cylinder makes the lamp glow most brightly and which cylinder makes the lamp glow least brightly?
A WY
B WZ
C XY
D XZ
Which cylinder makes the lamp glow most brightly and which cylinder makes the lamp glow least brightly?
A WY
B WZ
C XY
least brightly
most brightly
What is the charge on the cloth and which particles moved in the charging process?
What is the charge on balloon X and what is the charge on balloon Y?
Which quantities is a voltmeter used to measure?
current and e.m.f. only
current and p.d. only
e.m.f. and p.d. only
e.m.f., current and p.d
Which wire will cause the greatest reading on the ammeter?
long and thick
long and thin
short and thick
short and thin
What is the ammeter reading with the switch closed?
1.2 A
3.0 A
4.0 A
5.0 A
Why are high voltages used for the transmission of electrical energy?
Fear of high voltages stops people from interfering with the cables.
Heat loss in the cables is smaller than if low voltages are used.
High voltages increase the current in the cables.
High voltages produce large magnetic fields, so less insulation is needed.
Which wire has the least resistance?
What is the reading on the voltmeter?
2.4 V
3.6 V
6.0 V
9.6 V
What are the charges on ball Q and on ball R?
Which copper wire would have the smallest resistance?
a long, thick wire
a long, thin wire
a short, thick wire
a short, thin wire
Which group contains only good electrical conductors?
air, carbon (graphite), plastic
air, gold, mercury
carbon (graphite), copper, mercury
copper, gold, plastic
Which equation can be used to calculate the resistance R of a resistor?
V = I ÷ R
I = V × R
R = V × I
V = I × R
What else does she need?
a force meter (newton meter) and a voltmeter
an ammeter and a voltmeter
an ammeter only
a voltmeter only
Which diagram shows how the balloons hang after charging?
A
D
B
C
What are the directions of the electrostatic forces on rod P and on rod Q?
downwards downwards
downwards upwards
upwards downwards
upwards upwards
In which unit is potential difference measured?
ampere
ohm
volt
watt
What is the electromotive force (e.m.f.) of the battery?
9.0 N
9.0 V
36 N
36 V
What charges must the rod and the balloon carry?
Which test could be used to find which end of a magnet is the north pole?
putting it near a compass needle
putting it near a ferrous metal
putting it near a non-ferrous metal
putting it near a steel spoon
Which diagram shows the distribution of charge on the metal sphere?
A
B
C
D
Which two graphs show the characteristics of an ohmic resistor and of a filament lamp?
Which graph shows the results obtained?
A
B
C
D
Which expression is correct?
E = IVt
E = PIt
P = VIR
P = V/R
Which produces an electromotive force (e.m.f.)?
a battery
a filament lamp
a resistor
a spring balance
Which wire has the smallest resistance?
Which statement is correct?
When the earthing wire is disconnected first, the metal plate becomes positively charged.
When the earthing wire is disconnected first, the metal plate becomes negatively charged.
When the plastic rod is removed first, the metal plate becomes positively charged.
When the plastic rod is removed first, the metal plate becomes negatively charged.
The resistance is
directly proportional to l and directly proportional to A.
directly proportional to l and inversely proportional to A.
inversely proportional to l and directly proportional to A.
inversely proportional to l and inversely proportional to A.
How much energy is transferred by the resistor in 10 seconds?
2.4 J
14.4 J
240 J
1440 J
