1. For each case below, choose which is true: a) Bearth> BLocal b) Bearth Brocal
ID: 2031341 • Letter: 1
Question
1. For each case below, choose which is true: a) Bearth> BLocal b) Bearth Brocal )BEarth Brocal At a certain location the Earth's magnetic field, Bg, has a Magnetic North component of 0.2 E- 04T; the north pole of a local magnet, BL, is facing East with a component of 0.4 E-04T Calculate the total B-field, Br, at that location, and draw the Br vector 2. ?, 3. In an experiment with a local magnet, a compass needle is deflected at a 35° angle from magnetic North as shown below. Assume Bg-0.2 E-041 a. Calculate the strength of the local B-field, Bu, causing the needle to be pulled from Magnetic North. Draw the Bu vector b. Calculate the total field BT 359 BEExplanation / Answer
1)(a)Bearth > Blocal
2)Be = 0.2 E^-4 T
BL = 0.4 E^-4 T
the Btotal will be:
BT = sqrt (Be^2 + BL^2)
BT = sqrt (0.2^2 + 0.4^2) x E-4 T = 0.45 E-4T
Hence, BT = 0.45 E^-04 T
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