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

A $$10 \mu \mathrm{F}$$ capacitor is connected to a $$210 \mathrm{~V}, 50 \mathrm{~Hz}$$ source as shown in figure. The peak current in the circuit is nearly $$(\pi=3.14)$$ :

NEET 2024 Physics - Alternating Current Question 4 English

A
0.58 A
B
0.93 A
C
1.20 A
D
0.35 A
2
NEET 2024
MCQ (Single Correct Answer)
+4
-1
Change Language

A metallic bar of Young's modulus, $$0.5 \times 10^{11} \mathrm{~N} \mathrm{~m}^{-2}$$ and coefficient of linear thermal expansion $$10^{-5}{ }^{\circ} \mathrm{C}^{-1}$$, length $$1 \mathrm{~m}$$ and area of cross-section $$10^{-3} \mathrm{~m}^2$$ is heated from $$0^{\circ} \mathrm{C}$$ to $$100^{\circ} \mathrm{C}$$ without expansion or bending. The compressive force developed in it is :

A
$$5 \times 10^3 \mathrm{~N}$$
B
$$50 \times 10^3 \mathrm{~N}$$
C
$$100 \times 10^3 \mathrm{~N}$$
D
$$2 \times 10^3 \mathrm{~N}$$
3
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
$$\frac{M}{\sqrt{3}}$$
4
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
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