1
KCET 2019
MCQ (Single Correct Answer)
+1
-0
The variation of terminal potential difference $$V$$ with current flowing through a cell is as shown. The emf and internal resistance of the cell are
2
KCET 2019
MCQ (Single Correct Answer)
+1
-0
In a potentiometer experiment, the balancing point with a cell is at a length $$240 \mathrm{~cm}$$. On shunting the cell with a resistance of $$2 \Omega$$, the balancing length becomes $$120 \mathrm{~cm}$$. The internal resistance of the cell is
3
KCET 2018
MCQ (Single Correct Answer)
+1
-0
The resistance $R=\frac{V}{I}$, where $V=(100 \pm 5) \mathrm{V}$ and $I=(10 \pm 0.2) \mathrm{A}$. The percentage error in $R$ is
4
KCET 2018
MCQ (Single Correct Answer)
+1
-0
Ohm's law is applicable to
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