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 diagrams show the readings on a measuring cylinder before and after a small metal cube is added.How many more identical cubes can be added to the ...

2013 Summer

2

MCQ

CH2 - FORCES AND MOTION

Which person is experiencing an acceleration?

2013 Summer

2

MCQ

CH2 - FORCES AND MOTION

A car travels at various speeds during a short journey. The table shows the distances travelled and the times taken during each of four stages P, Q, R...

2013 Summer

2

MCQ

CH2 - FORCES AND MOTION

Two blocks of metal X and Y hang from spring balances, as shown in the diagrams. What does the diagram show about X and Y?

2013 Summer

2

MCQ

CH2 - FORCES AND MOTION

A 1 kg sample of aluminium is stored in a laboratory. In a different laboratory, in the same town, there is a 1 kg sample of iron.Which quantity must ...

2013 Summer

2

MCQ

CH1 - MEASUREMENTS AND UNITS

A measuring cylinder has a mass of 120 g when empty. When it contains 50 cm^3 of a liquid, the total mass of the measuring cylinder and the liquid is ...

2013 Summer

3

MCQ

CH2 - FORCES AND MOTION

A car moves along a level road. The diagram shows all of the horizontal forces acting on the car. Which statement is correct?

2013 Summer

2

MCQ

CH3 - FORCES AND PRESSURE

The diagram shows a force being applied to a lever to lift a heavy weight. Which change would enable the heavy weight to be lifted with a smaller forc...

2013 Summer

7

MCQ

CH4 - FORCES AND ENERGY

The diagram shows a hydroelectric system.What are the main energy changes taking place?

2013 Summer

2

MCQ

CH4 - FORCES AND ENERGY

An escalator (moving stairs) and a lift (elevator) are both used to carry passengers from the same underground railway platform up to street level. Th...

2013 Summer

2