1
MHT CET 2023 14th May Evening Shift
+1
-0

When moving coil galvanometer (MCG) is converted into a voltmeter, the series resistance is '$$n$$' times the resistance of galvanometer. How many times that of MCG the voltmeter is now capable of measuring voltage?

A
$$\mathrm{n}$$
B
$$\frac{\mathrm{n}+1}{\mathrm{n}}$$
C
$$\mathrm{n}+1$$
D
$$\mathrm{n}-1$$
2
MHT CET 2023 14th May Evening Shift
+1
-0

In potentiometer experiment, the balancing length is $$8 \mathrm{~m}$$ when two cells $$E_1$$ and $$E_2$$ are joined in series. When two cells are connected in opposition the balancing length is $$4 \mathrm{~m}$$. The ratio of the e.m.f. of the two cells $$\left(\frac{E_1}{E_2}\right)$$ is

A
$$1: 2$$
B
$$2: 1$$
C
$$1: 3$$
D
$$3: 1$$
3
MHT CET 2023 14th May Morning Shift
+1
-0

A wire of length $$3 \mathrm{~m}$$ connected in the left gap of a meter-bridge balances $$8 \Omega$$ resistance in the right gap at a point, which divides the bridge wire in the ratio $$3: 2$$. The length of the wire corresponding to resistance of $$1 \Omega$$ is

A
$$1 \mathrm{~m}$$
B
$$0.75 \mathrm{~m}$$
C
$$0.5 \mathrm{~m}$$
D
$$0.25 \mathrm{~m}$$
4
MHT CET 2023 14th May Morning Shift
+1
-0

Five current carrying conductors meet at point $$\mathrm{P}$$. What is the magnitude and direction of the current in conductor $$\mathrm{PQ}$$?

A
1 A form Q to P
B
1 A form P to Q
C
3 A form P to Q
D
2 A form Q to P
EXAM MAP
Medical
NEET