Question

6. A conduction tester is made by a bulb. But it does not detect weak current
How can we make another tester which can detect weak current?
​

Answer 1

Answer:

If weak current flows through the circuit then bulb in it will not glow. In order to detect weak current we use LED or may use another effect of electric current that is it produces magnetic effect also so we can use this property of electric current to detect weak current.

l hope you understand.....

Answer 2

Answer:

Ans: If weak current flows through the circuit then bulb in it will not glow. In order to detect weak current we use LED or may use another effect of electric current that is it produces magnetic effect also so we can use this property of electric current to detect weak current.