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Derive an expression for magnetic field …

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Derive an expression for magnetic field due to a current carrying toroidal solenoid

    • Posted by Dhwani Pate 7 years, 3 months ago

    CBSE > Class 12 > Physics
    • 1 answers

    Shivam Rana 7 years, 3 months ago

    A toroid is a long solenoid which is bend into circular form. So, toroid is equivalent to the solenoid having infinite length but it has finite no. of circular turns. Consider a toroid having radius r, carrying current I through it. If N is the number of turns in toroid and n be the no. of turns per unit length then n = N/2πr Magnetic field due to toroid again magnetic field due to infinite solenoid is B = nu•nI Magnetic field due to toroid then the magnetic field due to toroid is B = 2πr/nu•nI Magnetic field due to toroid

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