NEET Class neet Answered
A triangular loop is given in x-y plane. A current carrying wire is placed perpendicular to the plane. If current starts increasing at the rate of R, then find emf induced in the loop.
Asked by patra04011965 | 04 Sep, 2020, 01:42: PM
Expert Answer
Current carrying wire is perpendicular to the plane of triangular loop. Hence direction of magnetic field is parallel to the plane of triangular loop.
Induced EMF E = - ( dφ / dt ) , where φ is flux of magnetic field .
Flux of magnetic field φ = 
Since magnetic field vector and area vector are perpendicular to each other , flux φ = 0
( area vector is perpendicular to area by convention )
Hence induced EMF due to magnetic field produced by current carrying wire is zero
Answered by Thiyagarajan K | 15 Oct, 2020, 07:57: PM
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