Question

What can we use to detect flow of weak current in a electric circuit g​

Answer 1

Answer:

The current flowing in a circuit is usually detected by using a small electric bulb. When an electric current flows through a bulb then due to the heating effect of current, the filament of bulb gets heated to a high temperature, becomes white hot and glows to produce light.

Explanation:

ammeter

The electric current in one part of a circuit is measured with an ammeter, which gives a reading in ampere.

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Answer 2

Answer:

You can use a LED bulb because it can glow in weak current also