Questions
Two toroids 1 and 2 have total no. of turns 200 and 100 respectively with average radii 40 cm and 20 cm respectively. If they carry same current i, the ratio of the magnetic fields along the two loops is,
detailed solution
Correct option is B
Magnetic field inside a toroid inB=μ0N·I2πR Here, B1B2=N1R2N2R1=2001002040=1 So, B1B2=1Talk to our academic expert!
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Many of the diagrams given in figure, show magnetic field lines (thick lines in the figure). Point out which one is/are correct.
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