Quiz
PHYSICS TE1
Create a free account to finish this quiz
Save your progress and see your final score.
Already have an account? Sign in
Questions in this quiz (23)
1A permanent magnet is placed close to a bar of soft iron PQ. What will happen?
- AP becomes a north pole.
- BP becomes a south pole.
- CPQ does not become magnetised.
- DThe poles of the magnet are reversed.
2A student uses three small plotting compasses to investigate the magnetic field around a bar magnet. Which diagram shows the directions in which the compass needles point?
- AA
- BB
- CC
- DD
3 A piece of iron and a piece of steel are picked up by an electromagnet as shown. The current to the electromagnet is switched off. What happens?
- ABoth the iron and the steel remain magnetised.
- BNeither the iron nor the steel remain magnetised.
- COnly the iron remains magnetised.
- DOnly the steel remains magnetised.
4When a plastic comb is placed next to a small piece of aluminium foil hanging from a nylon thread, the foil is repelled by the comb. Why is this?
- AThe comb is charged and the foil is uncharged.
- BThe comb is uncharged and the foil is charged.
- CThe comb and the foil have charge of opposite signs.
- DThe comb and the foil have charge of the same sign.
5A plastic rod is rubbed with a dry cloth and becomes negatively charged. Why has the rod become negatively charged?
- AIt has gained electrons.
- BIt has gained neutrons.
- CIt has lost electrons.
- DIt has lost neutrons.
6 A student uses a length of wire as a resistor. He discovers that the resistance of the wire is too small. To be certain of making a resistor of higher value, he should use a piece of wire that is
- Alonger and thicker.
- Blonger and thinner.
- Cshorter and thicker.
- Dshorter and thinner.
7 A student wishes to measure the electromotive force (e.m.f.) of a battery and the potential difference (p.d.) across a resistor. She has the resistor, the battery and some connecting wires. What else does she need?
- Aa voltmeter only
- Ban ammeter only
- Can ammeter and a voltmeter
- Da force meter (newton meter) and a voltmeter
8In which circuit does the ammeter read the total current through both resistors?
- AA
- BB
- CC
- DD
9Which circuit shows how a voltmeter is connected to measure the potential difference across the cell?
- AA
- BB
- CC
- DD
10 A torch has a simple circuit with a 3.0 V battery and a lamp. There is a 20 mA current in the lamp. How much energy is transferred to the lamp in 5 minutes?
- A0.30 J
- B18 J
- C60 J
- D0.30 kJ
11Four lamps are each labelled '60W 230 V'. In which circuit are the lamps connected so that they operate at normal brightness?
- AA
- BB
- CC
- DD
12The current in a kettle is 10 A and it is protected by a 13 A fuse. The owner of the kettle replaces the 13 A fuse with a 3 A fuse. What happens when the kettle is switched on?
- AThe fuse blows and the kettle is damaged.
- BThe fuse blows and the kettle is undamaged.
- CThe fuse does not blow and the kettle works correctly.
- DThe fuse does not blow but the kettle fails to work.
13A thermistor is used in a circuit to control a piece of equipment automatically. What might this circuit be used for?
- Alighting an electric lamp as it becomes darker
- Bringing an alarm bell if a locked door is opened
- Cswitching on a water heater at a pre-determined time
- Dturning on an air conditioner when the temperature rises
14Which labelled component in the circuit shown controls the brightness of lamp X?
- AA
- BB
- CC
- DD
15A straight wire carrying a current produces a magnetic field. Which diagram shows the correct shape of the field?
- AA
- BB
- CC
- DD
16A student carries out an experiment to see the effect of a magnetic field on a wire carrying a current. The wire moves upwards as shown. What should the student do to make the wire move downwards?
- Achange the direction of the current
- Bmove the poles of the magnet closer together
- Csend a smaller current through the wire
- Duse a stronger magnet
17A current-carrying coil in a magnetic field experiences a turning effect. How can the turning effect be increased?
- Aincrease the number of turns on the coil
- Breduce the size of the current
- Creverse the direction of the magnetic field
- Duse thinner wire for the coil
18A current-carrying wire XY lies in the magnetic field between the two poles of a U-shaped electromagnet. A force acts on the wire XY because of the magnetic field. How many of these actions cause the direction of the force on the wire XY to be reversed?
- A0
- B1
- C2
- D3
19 A toy railway engine is driven around a track by a d.c. electric motor. How can the speed of the motor be increased?
- AUse a motor made with fewer turns of wire.
- BUse a smaller d.c. voltage.
- CUse a stronger magnet in the motor.
- DUse the supply with its connections reversed.
20Which graph shows how the output voltage varies with time for a simple a.c. generator?
- AA
- BB
- CC
- DD
21A student investigates the output voltage induced across a coil of wire by a bar magnet. When will the induced voltage have the greatest value?
- AThe student slowly moves the bar magnet into the coil of wire.
- BThe student leaves the bar magnet stationary in the coil of wire.
- CThe student quickly removes the bar magnet from the coil of wire.
- DThe student places the bar magnet at rest outside the coil of wire.
22Which arrangement may be used to step up a voltage?
- AA
- BB
- CC
- DD
23The diagram shows a mains transformer that has an output voltage of 12 V. How many turns of wire are in the secondary coil?
- A12
- B20
- C50
- D20000
Information
- Description
- Quiz on PHYSICS TE1, created by Kenta Koay on 16/05/2020.
- Author
- Kenta Koay
- Language
- English
- Views
- 1
- Tags
- Rating
- No ratings yet Rate this quiz