1
MHT CET 2023 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

In meter bridge experiment, null point was obtained at a distance '$$l$$' from left end. The values of resistances in the left and right gap are doubled and then interchanged. The new position of the null point is

A
$$(100-l)$$
B
$$(100-2 l)$$
C
$$(100-3 l)$$
D
$$\left(100-\frac{l}{2}\right)$$
2
MHT CET 2023 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A galvanometer has resistance '$$\mathrm{G}$$' and range '$$\mathrm{V} g$$'. How much resistance is required to read voltage upto '$$\mathrm{V}$$' volt?

A
$$\mathrm{G}\left(\frac{\mathrm{V}}{\mathrm{V}_{\mathrm{g}}}-1\right)$$
B
$$\mathrm{G}\left(\frac{\mathrm{V}+\mathrm{V}_{\mathrm{g}}}{\mathrm{V}}\right)$$
C
$$\mathrm{G}\left(\frac{\mathrm{V}-\mathrm{V}_{\mathrm{g}}}{\mathrm{V}}\right)$$
D
$$\mathrm{GV}_{\mathrm{g}}$$
3
MHT CET 2023 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

If only $$1 \%$$ of total current is passed through a galvanometer of resistance '$$G$$' then the resistance of the shunt is

A
$$\frac{G}{25} \Omega$$
B
$$\frac{\mathrm{G}}{49} \Omega$$
C
$$\frac{\mathrm{G}}{2} \Omega$$
D
$$\frac{\mathrm{G}}{99} \Omega$$
4
MHT CET 2023 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A voltmeter of resistance $$150 \Omega$$ connected across a cell of e.m.f. $$3 \mathrm{~V}$$ reads $$2.5 \mathrm{~V}$$. What is the internal resistance of the cell?

A
$$10 \Omega$$
B
$$15 \Omega$$
C
$$20 \Omega$$
D
$$30 \Omega$$
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