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

The diagram shows a stone of irregular shape. Which property of the stone can be found by lowering it into a measuring cylinder half-filled with wat...

2021 Summer

2

MCQ

CH2 - FORCES AND MOTION

Two stones of different weights fall at the same time from a table. Air resistance may be ignored. What will happen and why? [Table_1]

2021 Summer

2

MCQ

CH2 - FORCES AND MOTION

The distance–time graph for a motorway journey is shown. What is the average speed for the journey?

2021 Summer

3

MCQ

CH2 - FORCES AND MOTION

Diagram 1 shows a sealed plastic bottle containing a hollow glass sphere and a steel ball.Diagram 2 shows the same bottle after it has been shaken.Dia...

2021 Summer

2

MCQ

CH2 - FORCES AND MOTION

On Mars, the acceleration of free fall $g$ is $3.7\, \text{m/s}^2$.What is the weight of a $2.0\, \text{kg}$ mass on Mars?

2021 Summer

4

MCQ

CH2 - FORCES AND MOTION

The mass of an empty flask is 34 g.The volume of liquid added to the flask is 20 cm3.The total mass of the flask and the liquid is 50 g.What is the de...

2021 Summer

2

MCQ

CH2 - FORCES AND MOTION

The diagram shows a solid object on a flat surface, with two forces acting on the object. What is the resultant force on the object?

2021 Summer

2

MCQ

CH2 - FORCES AND MOTION

The extension–load graph for a spring is shown. The unstretched length of the spring is 17.0 cm. [Graph Image] When an object is suspended from the ...

2021 Summer

2

MCQ

CH4 - FORCES AND ENERGY

Which situation involves no work being done and no energy being transferred?

2021 Summer

3

MCQ

CH4 - FORCES AND ENERGY

A student suggests that there are several ways of transferring energy to a small, stationary block of iron on a smooth table. He makes the following s...

2021 Summer

2