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 geologist compares the volumes of three rocks, X, Y and Z. Three measuring cylinders contain different volumes of water. He places each rock into on...

2015 Summer

2

MCQ

CH2 - FORCES AND MOTION

A car moves with constant speed and then constant acceleration.Which graph is the speed-time graph for the car?

2015 Summer

1

MCQ

CH2 - FORCES AND MOTION

A car travels 100 km. The journey takes two hours. The highest speed of the car is 80 km/h, and the lowest speed is 40 km/h. What is the average speed...

2015 Summer

1

MCQ

CH2 - FORCES AND MOTION

Diagram 1 shows a piece of foam rubber that contains many pockets of air. Diagram 2 shows the same piece of foam rubber after it has been compressed s...

2015 Summer

1

MCQ

CH1 - MEASUREMENTS AND UNITS

A metal block has the dimensions shown. Its mass is 1000 g.What is the density of the metal?

2015 Summer

2

MCQ

CH3 - FORCES AND PRESSURE

Four objects are each acted on by only two forces, as shown.Which object is in equilibrium?

2015 Summer

1

MCQ

CH3 - FORCES AND PRESSURE

A student measures the length of a spring. She then hangs different weights from the spring. She measures the length of the spring for each different ...

2015 Summer

1

MCQ

CH4 - FORCES AND ENERGY

Which energy resource is used to generate electricity without using any moving parts?

2015 Summer

1

MCQ

CH4 - FORCES AND ENERGY

A cyclist travels down a hill from rest at point X, without pedalling. The cyclist applies his brakes and the cycle stops at point Y. Which energy c...

2015 Summer

1

MCQ

CH3 - FORCES AND PRESSURE

"The diagram shows a simple mercury barometer.Which height is used as a measurement of atmospheric pressure?"

2015 Summer

3