Question

P Flag question A hollow cylindrical conductor of inner radius a = 9 cm, and outer radius b = 22.5 has a nor uniform current density J = r^2 in units of A/m2 i . a P (b) Calculate the magnetic field at distance r = 27 cm from the center of the conductor. Select one: O a. 11603.67 E-7T O b. 417.59 E-7 T O c. 502.53 E-ZT

Answer 1

22.5 cm, ち Alm. of tens strip a = q un Jer2 SA at distane Let take area r from contre is, dA=aar.dr. 2. a strip of with dr at dis thin 2. di = 5 dA=82.2ordr azar3 dr. current thing hours In this cylinder is, fors de | di 25 a a } b 72. [ra] 72 [2-225)?- 60.09)1] C A. 3.923410-> from in mag field at distane of=27 cm Centre is, Bioboo & 8. dia Molene Ho Vene Mo I ene x3.923x103 7. >> Bo 258 yaxlo 2nx 0.27) 3 - ), 85X10-9 To