How to solve this problem? I only were able to get partial of part b.
4. (10 pts) Credit card reader. You can slide your (old style, magnetic strip)credit card in a reader, and it somehow gets your credit card number. Howdoes it do this?VISA< AV->B = 0B =0XXXXXX1 cm> VelocitywideXXXXXX= 3 m/s1 mm wide1 mm wide,(not toCoil 1mmscale), withwide withB = 25HTinto pageB = 24HT25 loopsinto pagea. Explain, with appropriate equations, what voltage AV you will see (as a function of time) ifyou slide the strip – with its magnetized regions – past a reader coil of wire as shown above.