Theory

CH9 - MAGNETS AND CURRENTS

The coil in the d.c. motor in Fig. 9.1 is rotating as shown. (a) On Fig. 9.1, clearly label the coil. [1](b) State two things that could be done to th...

2012 Summer

5

Theory

CH9 - MAGNETS AND CURRENTS

A 240V a.c. mains supply is connected to the primary coil of the transformer shown in Fig. 10.1. A lamp that gives full brightness with a 6V supply is...

2012 Winter

5

Theory

CH9 - MAGNETS AND CURRENTS

Fig. 7.1 shows a compass needle that has come to rest in the Earth's magnetic field.(a) On Fig. 7.1, draw an arrow pointing towards the north pole of ...

2012 Winter

7

Theory

CH9 - MAGNETS AND CURRENTS

A rotating-coil generator consists of a rectangular coil of wire that rotates at constant speed between the poles of a permanent magnet. Figs. 10.1, 1...

2011 Summer

4

Theory

CH9 - MAGNETS AND CURRENTS

The apparatus in Fig. 10.1 is called a force-on-conductor balance. When there is an electric current $I$ as shown in XY, there is a force on XY that p...

2009 Summer

3

Theory

CH9 - MAGNETS AND CURRENTS

(a) Four rods are shown in Fig. 8.1.[Image_1: plastic rod, iron rod, wooden rod, brass rod]Fig. 8.1State which of these could be held in the hand at o...

2009 Summer

2

Theory

CH9 - MAGNETS AND CURRENTS

A solenoid with many turns is connected across a sensitive centre-zero millivoltmeter, as shown in Fig. 9.1. (a) The N pole of a magnet is moved in...

2012 Summer

4

Theory

CH9 - MAGNETS AND CURRENTS

Fig. 10.1 is a diagram of a transformer.[Image_1: Fig. 10.1 diagram](a) (i) On Fig. 10.1, clearly label the core of the transformer. [1](ii) Name a su...

2009 Winter

2

Theory

CH9 - MAGNETS AND CURRENTS

The pivoted steel arrow from a small compass has become demagnetised. The coil shown in Fig. 7.1 is to be used to magnetise it again. (a) Describe ca...

2011 Winter

2

Theory

CH9 - MAGNETS AND CURRENTS

A woodworker buys an old electric drill that has been used before. The drill is illustrated in Fig. 11.1. The drill mechanism itself is guaranteed to ...

2009 Winter

3

MCQ

CH1 - MEASUREMENTS AND UNITS

The diagram shows an enlarged drawing of the end of a metre rule. It is being used to measure the length of a small feather. What is the length of the...

2016 Summer

4

MCQ

CH2 - FORCES AND MOTION

A train begins a journey from a station and travels 60 km in a time of 20 minutes. What is the average speed of the train?

2016 Summer

1

MCQ

CH2 - FORCES AND MOTION

Two runners take part in a race. The graph shows how the speed of each runner changes with time. What does the graph show about the runners at time $...

2016 Summer

3

MCQ

CH2 - FORCES AND MOTION

A cup contains hot liquid. Some of the liquid evaporates. What happens to the mass and what happens to the weight of the liquid in the cup?

2016 Summer

1

MCQ

CH2 - FORCES AND MOTION

An object has a mass of 50 kg.The gravitational field strength on Earth is $10.0 \text{ N/kg}$.The gravitational field strength on a distant planet is...

2016 Summer

2

MCQ

CH1 - MEASUREMENTS AND UNITS

A student wishes to determine the density of an irregularly-shaped stone. First he finds the mass of the stone. Next he lowers the stone into a measur...

2016 Summer

3

MCQ

CH2 - FORCES AND MOTION

Which is an example of a force?

2016 Summer

1

MCQ

CH3 - FORCES AND PRESSURE

The diagram shows an object of weight $W$ and an object of weight $Z$ balanced on a uniform metre rule. Which equation relating to $W$, $Z$, $a$ and $...

2016 Summer

1

MCQ

CH4 - FORCES AND ENERGY

A skier walks from the bottom of a ski slope to the top and gains 10 000 J of gravitational potential energy.She skis down the slope. At the bottom of...

2016 Summer

3

MCQ

CH4 - FORCES AND ENERGY

A coal-fired power station generates electricity. Coal is burnt and the energy released is used to boil water. The steam from the water makes the gene...

2016 Summer

3