1
JEE Main 2025 (Online) 3rd April Morning Shift
Numerical
+4
-1
Change Language

In the figure shown below, a resistance of $150.4 \Omega$ is connected in series to an ammeter A of resistance $240 \Omega$. A shunt resistance of $10 \Omega$ is connected in parallel with the ammeter. The reading of the ammeter is___________mA .

JEE Main 2025 (Online) 3rd April Morning Shift Physics - Current Electricity Question 6 English
Your input ____
2
JEE Main 2025 (Online) 3rd April Morning Shift
Numerical
+4
-1
Change Language

A loop ABCDA , carrying current $\mathrm{I}=12 \mathrm{~A}$, is placed in a plane, consists of two semi-circular segments of radius $R_1=6 \pi \mathrm{~m}$ and $\mathrm{R}_2=4 \pi \mathrm{~m}$. The magnitude of the resultant magnetic field at center O is $\mathrm{k} \times 10^{-7} \mathrm{~T}$. The value of k is_________.

( Given $\mu_0=4 \pi \times 10^{-7} \mathrm{Tm} \mathrm{A}^{-1}$ )

JEE Main 2025 (Online) 3rd April Morning Shift Physics - Magnetic Effect of Current Question 4 English
Your input ____
3
JEE Main 2025 (Online) 3rd April Morning Shift
Numerical
+4
-1
Change Language
Two coherent monochromatic light beams of intensities 4I and 9I are superimposed. The difference between the maximum and minimum intensities in the resulting interference pattern is $x \mathrm{I}$. The value of $x$ is___________ .
Your input ____
4
JEE Main 2025 (Online) 3rd April Morning Shift
Numerical
+4
-1
Change Language
Three identical spheres of mass m , are placed at the vertices of an equilateral triangle of length $a$. When released, they interact only through gravitational force and collide after a time $\mathrm{T}=4$ seconds. If the sides of the triangle are increased to length $2 a$ and also the masses of the spheres are made 2 m , then they will collide after__________seconds.
Your input ____
JEE Main Papers
2023
2021
EXAM MAP