In Fig. 30-41, a wire loop of lengths L ! 40.0 cm and W 25.0 cm lies in a magnetic field .What are the (a) magnitude and (b) direction (clockwise or counterclockwiseor none if 0)of the emf induced in the loop if What are (c) and (d) the direction if What are (e) and (f) the direction if What are (g) and (h) the direction if What are (i) and (j) the direction if 10 %2T/m)s)yt i?

PHYSICS 2401 WEEK 8 Chapter 28 DC Circuits Ideal Battery: Remember : Ph= I * R = V /R = V*I Model of non-ideal battery (real life) r = internal resistance ε= open current voltage Isc = ε /r comes from R = V/I V t I*R =L ε - I*r Battery Pb= P h 2* 2* ε*I = I r + I R * * ε = I r + I RL EX. A...