To verify Ohm's law, a student connects the voltmeter across the battery as, shown in the figure. The measured voltage is plotted as a function of the current, and the following graph is obtained: |
If V0 is almost zero, identify the correct statement: [JEE Main Held on 12-4-2019 Morning] |
A) The value of the resistance R is \[1.5\Omega \]
B) The emf of the battery is 1.5 V and the value of R is \[1.5\Omega \]
C) The emf of the battery is 1.5 V and its internal resistance is \[1.5\Omega \]
D) The potential difference across the battery is 1.5 V when it sends a current of 1000 mA.
Correct Answer: C
Solution :
[c] |
when |
E = r when |
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