Wire #1 (length L) forms a one turn loop and a bar magnet is dropped through. Wire #2 (length 2L ) forms a two turn loop and the same magnet is droppe through. Compare the magnitude of the induced voltages in these two cases. Tr S S N 2 N V1 > V2 V1

A uniform magnetic field is applied paralle to the axis of a 60-turn circular coil with a radius of 6.0 cm and a resistance of 0.90 ̛. If the magnetic field increases uniformly from 0.20 T to 1.8 T in 0.20 s, what is the magnitude of the emf induced in the coil? A) 16 V B) 12 V C) 9.2 V D) 7.2 V E) 5.4 V

(Figure 1) shows a 18-cm-diameter loop in three different magnetic fields. The loop's resistance is 0.30 Ω. For the steps and strategies involved in solving a similar problem, you may view a Video Tutor Solution. Figure (a) B increasing at 0.50 T/s (b) B decreasing at 0.50 T/s X X X X X X < (c) B decreasing at 0.50 T/s XOX X 1 of 1 X X X.XX X X X xx X X ▼ Part A For case (a), what is the induced emf? Express your answer with the appropriate units. E= Submit μA Value Part B C Units Units input for part A Previous Answers Request Answer ? X Incorrect; Try Again; 2 attempts remaining Enter your answer using units of electric potential. For case (a), what is the induced current? Express your answer with the appropriate units.

A simple AC generator consists of 10 turns of coils with an area of 1000 cm. It rotates at a constant frequency of 60 Hz in a region where the magnetic field is 0.40 T. What is the peak electromotive force of the generator?