A current carrying wire is placed in the, grooves of an insulating semicircular disc of radius R, as shown. The current enters at point A and leaves from point B. Determine the magnetic field at point D.

Question

Infinity Learn · Accepted Answer

$$r1$$ $$=$$ $$2R$$  $$sin$$  $$300$$  $$=R$$,  $$r2$$ $$=$$ $$2R$$  $$sin$$  $$600=R$$ BD $$=BAC$$ $$+$$  $$BCB=$$ μ$$04$$π  $$ir1$$  $$sin$$ ϕ$$1$$ ⊙  $$+$$ μ$$04$$π  $$ir2$$  $$sin$$ ϕ$$2$$ ⊗$$=$$ μ$$04$$π i $$sin600r1$$ −$$sin300r2$$ ⊙  $$=$$ μ$$04$$$$π$$R $$3$$ ⊙

A current carrying wire is placed in the, grooves of an insulating semicircular disc of radius R, as shown. The current enters at point A and leaves from point B. Determine the magnetic field at point D.

Remember concepts with our Masterclasses.

Ready to Test Your Skills?

free study material