Question

To study the dependence of current (I) on the potential difference (V), a student recorded his observation in tabular form. Based on the observations he obtained a V-I graph which was a straight line passing through the origin. What does this straight line indicate?

Answer 1

The inclination of this straight line towards the axis of V indicates the resistance R of the resistors or conductor with which he performed the experiment.

Answer 2

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Janhavi answered 3 year(s) ago

If a student while studying the dependence of current on the potential difference keeps the circuit closed for a long time to measure the current and potential difference, then (a) Ammeter’s zero err

If a student while studying the dependence of current on the potential difference keeps the circuit closed for a long time to measure the current and potential difference, then

 

(a)  Ammeter’s zero error will change

(b)  Ammeter’s will give more reading

(c)  Voltmeter will show constantly higher readings

(d)  Resistor will get heated up and its value will change