RANDOM PAGE
SITE SEARCH
LOG
IN
SIGN UP
HELP

GCSE Coursework A4 - Practical Investigation

This is the AQA version closing after June 2019. Visit the the version for Eduqas instead .

To gain access to revision questions, please sign up and log in.

GCSE Coursework:
Intro
A1
A2
A3a
A3b
A4
A5
A6
A7
B1
B2
B3
B4
B5
B6
B7
C1
C2
C3
C4
C5
D1
D2
D3

A4
Carry out a practical investigation on one of your input or output devices.
Use your results in your project specification. Here are some possibilities.

Use a Lux meter and a multimeter to find out the resistance of the LDR at 100 Lux.
Use a thermometer and a multimeter to find out the resistance of the thermistor at 40C.
Use a sound level ( dB ) meter to find out how noisy the room is and how loud the buzzer needs to be so you can hear it clearly.
Place the sounder one metre away from the sound level meter.
Use a signal generator to find the best audio frequency to use with your sounder.
Find the loudest frequency and read this off the signal generator dial.

Here is an example ...

Example Work for A4