How can a compass needle be used as a tester?
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A compass needle can be used as a tester. It shows deflection for showing the presence of current. However, it cannot be used for the AC current used at your home. A regular tester is much more reliable when used.
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Answered by
2
Answer:
A compassion needle can be used as a tester.it shows reflection for showing the presence of current.However,it cannot be used for AC current used at your home.A regular tester is much more reliable when used.
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