How can lenz law explain law of conservation of energy??, Physics

Assignment Help:

Lenz''s Law states that the Nature of induced emf in the coil is such that it opposes the causes of it.

It can be explained by a simple understanding of Faraday EM induction experiment. When we push the N-pole of magnet towards the coil, the flux change with coil is such that it develops a North Pole on it. Therefore they form like pairs of magnet, which opposes the relative motion. Therefore An External force is required to push the magnet. When we pull the magnet out, Coil develops a South Pole which attracts it. Hence Again Some Mechanical Force is required.

Therefore Lenz modified Faradays Equation as

E=-d?/dt

where E=induced emf, ?=magnetic flux associated with it.

Negative Sign shows that the EMF is of opposite polarity than the Magnetic Flux.


Related Discussions:- How can lenz law explain law of conservation of energy??

Problems on digital image, What is the raw file size for an image of 80 row...

What is the raw file size for an image of 80 rows and 100 columns, with pixels on 14 bits and with an extra row for the header? The minimum and maximum values observed in a

Are side emitting fibers with reflecting core more luminous, Are the side e...

Are the side emitting fibers with reflecting core more luminous? To answer this honestly is very much as trying to find out the sex of the angels. When a side emitting light gu

No.of electrons in outermost orbt element of atomic number, Number of elect...

Number of electrons in the outermost orbit of the element of atomic number 15 is: (1) 1        (2) 3        (3) 5        (4) 7 Ans: 5

An equilateral triangle is inscribed in a circle of radius, An equilateral ...

An equilateral triangle is inscribed in a circle of radius 2 cm if P lies inside the triangle then the minimum sum of distances of P from the sides of the triangle is?   Ans

Introduction and definition of coulomb’s law, Introduction and Definition: ...

Introduction and Definition: The force between two particles was studied by Coulomb in 1785.  He stated that the force of attraction or repulsion between two charged particle

State huygen''s principle, Q. State Huygen's principle. Huygen's princ...

Q. State Huygen's principle. Huygen's principle: (a) Every point on a specified wave front may be considered as a source of secondary wavelets which spread out with the sp

Capacitor measurements with digital multimeters, CAPACITOR MEASUREMENTS : ...

CAPACITOR MEASUREMENTS : Many modern digital multimeters incorporate a capacitance measuring facility although this may be limited to just one or two ranges. The diagram below

Types of capacitor, what about capacitor with dielectric & air electric & ...

what about capacitor with dielectric & air electric & electrolytic capacitor

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd