Question

A toroidal solenoid has 570 tums, cross-sectional area 6.90 cm², and mean radius 4.20 cm - Part A Calculate the coil's self-inductance Express your answer in henries. Sumble updo redo reset keyboard Shortcuts hello L34-10-4 H Submit Previous Answers Rest Answer * Incorrect; Try Again: 3 attempts remaining . Part If the current decreases uniformly from 5.00 A 102.00 A 13.00 ms, calculate the set-nduced emf in the coll. Express your answer in volts. Symbol updo redo repet keyboarborouts help - 15:10 V Suomi Previous Answer Reguest Answer * Incorrect; Try Again: 5 attempts remaining

Answer 1

selt induced enf, E= Given, turn of solenoid, a n=570. Area of cross section, A = 6.9 cm² 6.9x10 Yan Mean Radius R = 4.2 cm 4.2 x 102 m -0.042 m. part A Magnetic field at centre of toroid MONI RAR so flux linked with this toriod is, B Mona A PN. BAR 25R :. self inductance. MONZA L = 1 an R q 4TX10- * (570)' x6.9x1074 (1 ! La na xo.042 :-100 To 645300974. ar Lato 068x10-3 H. 14 1.068x10r3 ALEA I part-B) I, ESA, 1202A At=3ms= 3x10-3s. Ad Am! [{=1068x At -3 . 3 3x100] =1.07 8 vott MONZA =1068x10 At ir E = RAR