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BTEC Applied Science Unit 17 Assignment 5

Unit 17: Electrical Circuits and their Applications – Assignment 5 Measurement Devices Task 1 Design a colourful poster listing the uses of the following measurement devices: Multimeter, data-logger, PH meter, temperature sensor and light meters This provides evidence for P7 Task 2 . Light meter Use a light meter to measure intensity of light at various places in the college. Present your results as a ‘bar chart’. This provides evidence for P7 Task 3 Analogue and digital devices 1.Carry out an experiment to investigate how the voltage across a 100 µF capacitor discharging through a 100 kΩ resistor changes with time using a digital voltmeter and an analogue voltmeter. Present your results in a table. Compare and contrast the use of these two meters. 2.Carry out an experiment to investigate the cooling of water using a digital temperature sensor and a mercury-in-glass thermometer. Present your results in a table. Compare and contrast the use of these two measuring devices. 3.Do not worry about the quality of your results in this experiment. Set the signal generator to a frequency of 0.2 Hz. Connect an analogue voltmeter across the output terminals and record in a table how the voltage changes with time. Repeat the experiment with a storage oscilloscope. Compare and contrast the use of the voltmeter and the oscilloscope in the monitoring the output from the signal generator. This provides evidence for M5 Task 4 How suitable is a data-logger? The data-logger is set to record the motion of an oscillating mass at the end of a spring. Discuss and analyse the suitability of the data-logger in this experiment. This provides evidence for D4 Exam board is Pearson ALL ASSIGNMENTS I HAVE UPLOADED ARE DISTINCTION GRADED.