Practice Problems

26.51, 26.89, 26.85, 26.101, 26.95, 26.97, 26.61

Practice Problems

I hope you all are doing your practice problems. Could someone post which ones I said to do please. If anyone is stuck I highly suggest that you discuss them here.

For Tonight

I have just finished posting all of the answers to the sample exam. I am going to keep the blog open for the rest of the night so feel free to comment and I will respond pretty quickly

25.8

1.19E7 m/s away from the Earth

24.6

39.2 degrees and assuming the omega is moving CCW ImaxZ should be behind ImaxR

24.5

L = 0.608 mH

R = 6.52 k(Ohms)

24.4

a) Z = 606 Ohms

b) increase (if you get something different THAT'S OK!!! tell me why you reasoned that way)

23.5

a) L = 4.22 H

b) 0.28 s

c) 1.64 A

25.6

49 degrees

25.7

3.85*10^26 W

25.5

a) 8.238*10^14 Hz

b) 8.203*10^14 Hz

24.3

a) 0.173 V

b) 7.84 V

c) 1.84 V

23.7

b) clockwise

c) (mgR)/(L^2)(B^2)

23.6

4.0 mWb

22.4

At A - 7.8 micro T (out of the page)

At B - 0

At C - 7.8 micro T (into the page)

22.3

arctan[(ILB)/(mg)]

22.2

up and to the left

All Conceptual Problems

post your answers and I will correct them

I Lied

Ok I just got home so I am going to post the answers to the sample exam as they become available

sinusoidal & square waves

what is the relationship between sinusoidal and square waves? just curious..