need help with 22 and 23 thx A conductor in the shape of a square, whose sides a
ID: 1542897 • Letter: N
Question
need help with 22 and 23 thx
A conductor in the shape of a square, whose sides are of length 0.66 m, carries a counter-clockwise 22.2 A current as shows in the figure below. What is the magnitude of the magnetic field at point P (at the center of the square loop) due to the current in the wire? Answer in units mu T. What is the direction of the magnetic field B_P at point P due to the downward current in the left-hand of the square wire? 1. B is sown the page. 2. B is to the left. 3. B is out of the page. 4. B is in to the right. 6. B is up the page. 7. B is zero.Explanation / Answer
magnetic field at the Centre of square is
B = 2sqrt2* uo I/(pi* a)
uo is 4pi *10^-7
I is Current
a is side of the square
B =2*1.414 * (4pi * 10^-7 * 22.2)/(3.14 * 0.66)
B = 38.06 uT
--------------------------------
from RH rule,
field wud be directed out of the page at point P
option 3
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