Current Electricity Question 1

Question 1 - 2024 (01 Feb Shift 1)

The reading in the ideal voltmeter $(\mathrm{V})$ shown in the given circuit diagram is :

(1) $5 \mathrm{~V}$

(2) $10 \mathrm{~V}$

(3) $0 \mathrm{~V}$

(4) $3 \mathrm{~V}$

Show Answer

Answer: (3)

Solution:

$\mathrm{i}=\frac{\mathrm{E}{\mathrm{eq}}}{\mathrm{r}{\mathrm{eq}}}=\frac{8 \times 5}{8 \times 0.2}$

$I=25 \mathrm{~A}$

$V=E-i r$

$=5-0.2 \times 25$

$=0$