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Question
Identify the component that can be used is a good tester for electric current.
Identify the component that can be used is a good tester for electric current.
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Solution
The correct option is D LED
A good tester can detect small currents and give an indication for the flow of current.
Wires and conductors usually heat up by a very small amount and is not appropriate as a tester.
Buzzer requires a relatively high amount of current to ring.
LED is an excellent tester as it glows even for very small values of current.
A good tester can detect small currents and give an indication for the flow of current.
Wires and conductors usually heat up by a very small amount and is not appropriate as a tester.
Buzzer requires a relatively high amount of current to ring.
LED is an excellent tester as it glows even for very small values of current.
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