Welcome to the Quiz!
This quiz contains 5 questions from a mix of 1 subtopics.
Which instrument is used to measure the current in the circuit?
voltmeter
power supply
ammeter
variable resistor
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Which of the following components would result in a I-V graph which is a straight line through the origin?
diode
resistor
filament lamp
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Which of the following components allows current to flow in the positive direction but not in the negative direciton?
diode
resistor
filament lamp
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Draw the I-V characteristic for a filament lamp.
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Why is it important to turn the power supply off between readings?
turning off the circuit would make all the other results invalid and you would need to start again
to avoid getting an electric shock when moving the variable resistor
to prevent the temperature of the circuit from increasing
to prevent wasting electricity
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