Skip to content

+91 87932 47779

Email Us

Online Support

+91 87932 47779

Email Us At
- vgyanhubpune@gmail.com
- vgyanhubdhule@gmail.com

Menu

Email Us At
- vgyanhubpune@gmail.com
- vgyanhubdhule@gmail.com

Menu

Home
About Us
Courses
Knowledge Base
Events
Testimonials
Contact Us

Home
About Us
Courses
Knowledge Base
Events
Testimonials
Contact Us

Menu

Home
About Us
Courses
Knowledge Base
Events
Testimonials
Contact Us

Try Out Our Free Tests

qUESTIONS

MCQs-PYQs-12th-jee

A bar magnet is oscillating in the earth’s magnetic field with time period T. If its mass is increased four times then its time period will be

MCQs-PYQs-12th-jee

At places A and B using vibrating magnetometre, a magnet vibrates in a horizontal plane and its respective periodic time are 2 sec and 3 sec and at these places the earth’s horizontal components are HA and HB respectively. Then the ratio between HA and HB will be

MCQs-PYQs-12th-jee

The mathematical equation for magnetic field lines of force is

MCQs-PYQs-12th-jee

If a magnet of pole strength m is divided into four parts such that the length and width of each part is half that of initial one, then the pole strength of each part will be

MCQs-PYQs-12th-jee

Two similar bar magnets P and Q, each of magnetic moment M, are taken. If P is cut along its axial line and Q is cut along its equatorial line, All the four obtained have

MCQs-PYQs-12th-jee

A long magnetic needle of length 2L, magnetic moment M amd pole strength m units is broken into two pieces at the middle. The magnetic moment amd pole strength of each piece will be

MCQs-PYQs-12th-jee

Two identical thin bar magnets, each of length L and pole strength m are placed at right angles to each other, with the N-pole of one touching the south pole of the other. Magnetic moment of the system is

MCQs-PYQs-12th-jee

Two magnets, each of magnetic moment ‘M’, are placed so as to form a cross at right angles to each other. The magnetic moment of the system

MCQs-PYQs-12th-jee

Each atom of an iron bar (5cm×1cm×1cm) has a magnetic moment 1.8×10^−23Am2. Knowing that the density of iron is 7.78×10^3kg−3m, atomic weight is 56 and Avogadro’s number is 6.02×10^23 the magnetic moment of bar in the state of magnetic saturation will be

MCQs-PYQs-12th-jee

An iron rod of volume 10−4m3 and relative permeability 1000 is placed inside a long solenoid wound with 5 turns/cm. If a current of 0⋅5A is passed through the solenoid, find the magnetic moment of the rod.

1 2 3 4 5 6

vgyanlogo

Access To All Courses from VgyanHub

Popular Courses

12th Physics | Maharashtra State Board | Full Course
Physics | JEE Main | Full Course
Physics | NEET | Full Course

Company

Home
About Us
Courses
Testimonials
Knowledge Base

Need Some Help?

Contact Us

© Copyright 2024 VgyanHub & Designed by PanGrow Tech Pvt. Ltd.