1
MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which one of the following is the correct equation for the electric circuit shown in the figure?

A
$\quad E_1-\left(i_1+i_2\right) R+i_1 r_1=0$
B
$\quad E_1-\left(i_1+i_2\right) R-i_1 r_1=0$
C
$\mathrm{E}_2-\mathrm{i}_2 \mathrm{r}_2-\mathrm{E}_1-\mathrm{i}_1 \mathrm{r}_1=0$
D
$\quad E_2-\left(i_1+i_2\right) R+i_2 r_2=0$
2
MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

A galvanometer of resistance ' $G$ ' can be converted into a voltmeter of range ( $0-\mathrm{V}$ ) volt by connecting a resistance ' $R$ ' in series with it. The resistance ' $R$ required to change its range from $\left(0-\frac{\mathrm{V}}{4}\right)$ volt will be

A
$\frac{R-G}{2}$
B
$\frac{\mathrm{R}-2 \mathrm{G}}{3}$
C
$\frac{R-3 G}{4}$
D
$\frac{4 R-3 G}{5}$
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