The same current flows through every part of the circuit containing three resistances in series connected to a battery can be prove with the help of following experiment:
1. Connect three resistors of different values in series connection.
2. Connect the resistors with an ammeter, a plug key and a battery.
3. Let the resistors be of 1Ω, 2 Ω and 3 Ω and battery of 6V.
4. Plug the key and note down the ammeter reading.
It will be observed that the same amount of current value flows through the circuit, independent of its position in the given circuit.
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