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

4

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

A cylindrical can is rolled along the ruler shown in the diagram. The can rolls over twice.What is the circumference (distance all round) of the can?

2012 Summer

1

MCQ

CH2 - FORCES AND MOTION

A car is moving downhill along a road at a constant speed. Which graph is the speed/time graph for the car? [Graph Options A, B, C, D]

2012 Summer

2

MCQ

CH2 - FORCES AND MOTION

In a race, a car travels 60 times around a 3.6 km track. This takes 2.4 hours.What is the average speed of the car?

2012 Summer

2

MCQ

CH3 - FORCES AND PRESSURE

Which quantity is measured in newtons?

2012 Summer

1

MCQ

CH3 - FORCES AND PRESSURE

A geologist places a small rock on the left-hand pan of a balance. The two pans are level as shown when masses with a total weight of 23N are placed o...

2012 Summer

2

MCQ

CH1 - MEASUREMENTS AND UNITS

A stone has a volume of 0.50 cm3 and a mass of 2.0 g. What is the density of the stone?

2012 Summer

3

MCQ

CH2 - FORCES AND MOTION

Passengers are not allowed to stand on the upper deck of double-decker buses. [Image_1: Diagram of a double-decker bus showing upper and lower decks]...

2012 Summer

2

MCQ

CH3 - FORCES AND PRESSURE

The diagram shows a handle with three forces, each 100 N, applied to it. The handle is free to move.What is the effect of the forces on the handle?

2012 Summer

3

MCQ

CH4 - FORCES AND ENERGY

In which pair of energy sources are both sources renewable?

2012 Summer

2

MCQ

CH4 - FORCES AND ENERGY

An object on a thread is swinging between X and Z, as shown in the diagram. It is momentarily at rest at X and at Z. An incomplete word equation about...

2012 Summer

3