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Electricity — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceElectricity3 Marks
Question
  1. State the relation correlating the electric current flowing in a conductor and the voltage applied across it. Also draw a graph to show this relationship.
  2. Find the resistance of a conductor if the electric current flowing through it is 0.35A when the potential difference across it is 1.4V.
✓

Answer

  1. $\text{V}\alpha\text{ I}\text{ or }\frac{\text{V}}{\text{I}}=\text{Constant}$
$\text{Or}\text{ V}=1\text{R}$

  1. given I = 0.35A,
V = 1.4V

$\text{R}=\frac{\text{V}}{\text{I}}$

$=\frac{1.4}{0.35}$

$=4.'\Omega$

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