Grade 12Electromagnetic Induction
Please explain the angle between the area vector and magnetic field in calculation of flux.
Please explain the angle between the area vector and magnetic field in calculation of flux.
1 Answer
Avishek Bhagat
Dear Student
you have to fix a direction along the loop used to compute the integral of the electric field and the direction ofdA. They are linked by the "law of the right hand": The preferred direction dℓ along the loop is that from the palm to fingertips of your right hand when it surrounds the loop. Then, the associated preferred direction ofdA is indicated by the thumb. Withthese choices, Faraday's law of induction is stated:
you have to fix a direction along the loop used to compute the integral of the electric field and the direction ofdA. They are linked by the "law of the right hand": The preferred direction dℓ along the loop is that from the palm to fingertips of your right hand when it surrounds the loop. Then, the associated preferred direction ofdA is indicated by the thumb. Withthese choices, Faraday's law of induction is stated:
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