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Construct potential divider to provide both
variable and fixed p.d.
1 2.9 2.10 SUGGESTED PRACTICAL ACTIVITIES Included
Use the Wheatstone bridge to determine
unknown resistance.
1 6.7 6.7 SUGGESTED PRACTICAL ACTIVITIES Remains
Make a small electro magnet with varying cores
and see how many paper clips can be picked up
2 2.5 SUGGESTED PRACTICAL ACTIVITIES
Use the diode in a circuit with multimeters and a Included
suitable power source to investigate the IV
characteristics.
2 3.1 SUGGESTED PRACTICAL ACTIVITIES
Demonstrate using the named devices to show Included
their characteristics
2 4.11 Use the Inverting amplifier to investigate the gain
as frequency of the input signal is varied. See Included
pages 88-89 for suggested practical activity
2 4.14 SUGGESTED PRACTICAL ACTIVITIES
Use two separate power supplies along with Included
multimeters to investigate the output voltage
compared to the input voltages.
2 4.16 Mention the important practical use of the voltage
follower as a buffer or matching amplifier, for Included
example, effect pedals for guitarists.
2 5.2 use truth tables to represent the function of logic
gates with no more than two inputs;
SUGGESTED PRACTICAL ACTIVITIES
Use of logic tutors (combinations of logic gate
chips on one board) to investigate the truth tables Included
of these gates.
2 5.5 construct truth tables for a combination of logic
gates;
SUGGESTED PRACTICAL ACTIVITIES Included
Logic tutor can be used to investigate these
combinations.
2 5.8 Set up circuits to investigate both the half adder
and full adder. Included
3 1.4 explain how the photon theory better suits the
emission of a photon;
Explanation of the photoelectric effect as Included
evidence for the particulate nature of
electromagnetic radiation.
3 1.8 Description of the main features of a modern X-

88