Question

What precautions (write any two) should be taken while studying dependence of current on voltage​

Answer 1

Answer:

☆Connection should be tight and clean.

☆Wire should be connected at terminals and not in between. ☆ Clean the wire with Sandpaper. ☆Voltmeter and ammeter should be a proper range. ☆ Connecting wire should be of negligible resistance.

Answer 2

Answer:

1= The Ampere Meter/ Ammeter should be connected  with the resistor in the series such that the current enters the positive terminal and emits at the negative terminal of the ammeter.

2= Connection should be firm (compact) or else some external resistance may insert in the circuit.

Explanation:

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