class 11-12
Sliding magnet on inclined plane
A magnet that slides down on a metal slope (or inclined plane) will experience a braking effect due to the magnetic fields of the currents induced in the surface of the slope.
Current from magnet (Faraday)
Faraday’s First Law of Electromagnetic Induction states that whenever a conductor is placed in a varying magnetic field, electromagnetic fields are induced known as induced emf.Faraday’s Second Law of Electromagnetic Induction states that the induced emf in a coil is equal to the rate of change of flux linkage.
Parallel currents behavior
In a series circuit the components are connected end-to-end, one after the other.They make a simple loop for the current to flow round. In a parallel circuit the components are connected side by side, so the current divides, some going one way and the rest the other way.
Origin of magnetism
Magnetism is a concept introduced in physics to help you understand one of the fundamental interactions in nature, the interaction between moving charges. Like the gravitational force and the electrostatic force, the magnetic force is an interaction at a distance.
Balancing triangle/Question mark(Getting up from chair/Raising leg against wall)
class 11
Centre of mass or centre of gravity determines an object's stability. If the line of action of the centre of mass falls outside of the object's base, then the object topples.
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