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JEE FIITJEE All India Test Series JEE (Advanced)-2024 Part Test II Paper 2 Answers

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JEE FIITJEE All India Test Series JEE (Advanced)-2024 Part Test II Paper 2 Answers

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Questions and Answers

What is the value of the magnetic field B inside the cavity?

$0.8 \times 10^{-6}$ T

$0.4 \times 10^{-6}$ T

$0.2 \times 10^{-6}$ T (correct)

$0.6 \times 10^{-6}$ T

At what velocity should a particle be moving to avoid collision at point A?

$v_0 < 2\pi^2 \, \text{m/s}$

$v_0 < \frac{\pi^2}{2} \, \text{m/s}$

$v_0 < \pi^2 \, \text{m/s}$

$v_0 < \frac{\pi^2}{4} \, \text{m/s}$ (correct)

What is the value of the time when a particle collides at point A if it collides at time $t = 3T$?

$t = 4T$

$t = 5T$

$t = 3T$ (correct)

$t = 6T$

What is the relationship between the magnetic field B and the current density J inside the cavity?

<p>$B = \frac{\mu_0 J}{2}$</p> Signup and view all the answers

What is the condition for no collision at point A in terms of velocity and angle of collision?

<p>$v_0 < \frac{\pi^2}{4} , \text{m/s}$</p> Signup and view all the answers

Study Notes

JEE Advanced 2024 Part Test II Physics

Induced Current in a Coil

Magnetic flux linked with a coil is zero during the motion of a ball, resulting in no induced current in the ring.

Capacitor with a Dielectric

Potential difference between the inner and outer surfaces of a capacitor is the same everywhere.
Net charge density at each point of the inner surface is the same.
Induced charge on the inner surface, near the medium, is of opposite nature to the free charge.
Free charge density at point X (σf) is greater than free charge density at point Y (σ'f).
σf = kσ'f, where k is a constant.
σi (induced charge density) = σf / (1 - k), derived from equation (i).

Electric Field in a Capacitor

Electric field in a capacitor with a dielectric is given by: (σf + σi) / (4πε0r^2).
In the air gap, the electric field is given by: σ'f / (4πε0r^2).

Note: ε0 is the permittivity of free space, and r is the radial distance from the center of the capacitor.

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Description

Get the answers, hints, and solutions for the physics section of Part I of the JEE FIITJEE All India Test Series JEE (Advanced)-2024 Part Test II Paper 2. Test your understanding and prepare for the upcoming exams with detailed explanations.