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Index: Moving Charges & Magnetism | Physics Class 12 - NEET PDF Download

Magnetic Force

Motion in a Magnetic Field

Motion in Combined Electric and Magnetic fields

Magnetic Field due to a Current Element, Biot Savart Law 

Magnetic Field on the Axis of a Circular Current Loop

Ampere’s Circuital Law

The Solenoid & the Toroid

Force Between Two Parallel Currents, the Ampere

Torque on Current Loop, Magnetic Dipole 

The Moving Coil Galvanometer

General

NCERT Textbook & Solutions

H.C. Verma, D.C. Pandey & Irodov Solutions & tests

Previous Year Tests

Tests of the Chapter: Moving Charges & Magnetism

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FAQs on Index: Moving Charges & Magnetism - Physics Class 12 - NEET

1. What are moving charges and how do they relate to magnetism?
Ans. Moving charges refer to electrically charged particles that are in motion. When these charges move, they create a magnetic field around them, and this phenomenon is known as magnetism.
2. How do moving charges interact with magnetic fields?
Ans. Moving charges interact with magnetic fields through the Lorentz force. This force acts perpendicular to both the velocity of the charge and the magnetic field. It causes the moving charges to experience a force that can result in their deflection or circular motion.
3. What is the relationship between current-carrying wires and magnetism?
Ans. Current-carrying wires generate a magnetic field around them. The strength and direction of this magnetic field depend on the magnitude and direction of the current flowing through the wire. This phenomenon is the foundation of electromagnets and various electrical devices.
4. Can magnetism affect the motion of moving charges?
Ans. Yes, magnetism can affect the motion of moving charges. When a charged particle moves through a magnetic field, it experiences a force perpendicular to both its velocity and the magnetic field. This force can alter the particle's trajectory or cause it to move in a circular path.
5. How does magnetism play a role in electric motors?
Ans. Magnetism is essential in electric motors. When a current-carrying coil is placed in a magnetic field, the interaction between the magnetic field and the current creates a rotational force, which can be used to drive mechanical motion. This principle is utilized in electric motors to convert electrical energy into mechanical energy.
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