WRITE TWO METHODS BY WHICH WE CAN MODIFY ELECTRIC TESTER
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An electrical tester is a simple piece of electronic test equipment used to determine the presence or absence of an electric voltage in a piece of equipment under test. It is also used to test whether a liquid allows electric current to pas s through it or not.
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Two ways of modifying electric tester are as follows :
(i) Use of LED instead of standard bulb.
(ii) By using a coil wound over small magnetic compass
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