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CBSE Class 12-science Answered

Give physical interpretation of the Lenz's law.
Asked by Aditya Great | 07 Dec, 2014, 01:11: PM
answered-by-expert Expert Answer

begin mathsize 14px style The space electromagnetic space circuits space obey space in space accordance space with space Newton ’ straight s space third space law space and space the space conservation space of space energy space which space is space explained space by space Lenz ’ straight s space law. space space An space induced space electromotive space force space gives space rise space to space rise space in space current space always space opposes space any space change space in space magnetic space flux space space associated space with space circuits. straight e space equals space minus dϕ over dt here comma space induced space straight e. straight m. straight f. space left parenthesis straight e right parenthesis space and space change space in space magnetic space flux space left parenthesis dϕ right parenthesis space have space opposite space sign. space When space straight e. straight m. straight f space opposes space any space change space in space magnetic space flux space it space follows space the space Newton ’ straight s space third space law space thus space energy space is space conserved. space end style

Answered by Priyanka Kumbhar | 08 Dec, 2014, 11:41: AM

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CBSE 12-science - Physics
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CBSE 12-science - Physics
Suppose this page is perpendicular to a uniform magnetic field and the magnetic flux through it is 5 wb. If the page is turned by 30 degrees around an edge the flux through it will be: 1. 5.0 wb 2. 4.3 wb 3. 10.0 wb 4. 2.5 wb 5. 5.8 wb
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CBSE 12-science - Physics
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CBSE 12-science - Physics
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CBSE 12-science - Physics
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CBSE 12-science - Physics
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CBSE 12-science - Physics
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