Questions
The average radius of an air cored toroid is 0.1 m and it has 500 turns. If it carries 0.5 ampere current, then the magnetic field inside it is :
a
5 x 10-4 tesla
b
5 x10-3 tesla
c
5 x10-2 tesla
d
2 x10-3 tesla
detailed solution
Correct option is A
magnetic field due to a toroidμ0NI2πR where N is the total no of turns and R is the mean radius B=4π x10-7500 x0.52π0.1=5 x 10-4Talk to our academic expert!
Similar Questions
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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