1
NEET 2024
MCQ (Single Correct Answer)
+4
-1
Change Language

An iron bar of length $$L$$ has magnetic moment $$M$$. It is bent at the middle of its length such that the two arms make an angle $$60^{\circ}$$ with each other. The magnetic moment of this new magnet is :

A
$$M$$
B
$$\frac{M}{2}$$
C
$$2 M$$
D
$$\frac{M}{\sqrt{3}}$$
2
NEET 2024
MCQ (Single Correct Answer)
+4
-1
Change Language

If the plates of a parallel plate capacitor connected to a battery are moved close to each other, then

A. the charge stored in it, increases.

B. the energy stored in it, decreases.

C. its capacitance increases.

D. the ratio of charge to its potential remains the same.

E. the product of charge and voltage increases.

Choose the most appropriate answer from the options given below:

A
A, B and E only
B
A, C and E only
C
B, D and E only
D
A, B and C only
3
NEET 2024
MCQ (Single Correct Answer)
+4
-1
Change Language

A force defined by $$F=\alpha t^2+\beta t$$ acts on a particle at a given time $$t$$. The factor which is dimensionless, if $$\alpha$$ and $$\beta$$ are constants, is:

A
$$\beta t / \alpha$$
B
$$\alpha t / \beta$$
C
$$\alpha \beta t$$
D
$$\alpha \beta / t$$
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