(2) A constant magnetic field B = 4.00 T (j+k) in the YZ plane crosses a flat plate of area A = 10.0 x 102 cm? k (1 to the Z axis). Determine the flux OB through this plate. %3D DB - SBn da= 10 4.000+4000 B. %3D %3D 400
(2) A constant magnetic field B = 4.00 T (j+k) in the YZ plane crosses a flat plate of area A = 10.0 x 102 cm? k (1 to the Z axis). Determine the flux OB through this plate. %3D DB - SBn da= 10 4.000+4000 B. %3D %3D 400
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Answer number 2, 3, and 5
Transcribed Image Text:PHY2049C Test 9 NameThoma P Chugi
Show all calculations and include units and significant digits in final ansuwers to receive full credit.
(1) Complete the following equations (B is the magnetic field):
(a) 5 = toroid B
(1) H. I 0 /(4xr)
(b)
E-arc segment B
(2) 47 x 10-7 T-m/A
(c) 6 = Biot-Savart Law B
(3) S · îda
(d)
= permeability o
(4) Ho n I
(e) = solenoid B
(3) H. NI /(2nr)
(f) = magnetic flux PB
%3D
(2) A constant magnetic field B 4.00 T (+k) in the YZ plane crosses a flat plate of
area A = 10.0 x 102 cm² k (1 to the Z axis). Determine the flux DB through this plate.
%3D
フリ
met
A = 10.0x10%cm{= 10xIO ² Ê 106= 40.0 klO4
(3) Gauss's Law for magnetism refers to a relationship where magnetic flux D3
flows through a closed surface S. Please write, explain, and diagram this Law.
H equals @2ero beceeuse caning
#eutering
(4) Answer the following true-false (T-F) questions:
(a) I Parallel wires with electric currents in the same direction attract.
(b) F Large masses of magnetic materials create Earth's magnetic field.
Paramagnetic substances are strongly attracted by a magnet.
Cobalt loses its magnetism above its Curie temperature.
(c)
(d)
(5) A 15.0A current produces a B field at the center of an arc of angle t/4 radians and
radius 0.500m. What are the magnitude and direction of B at point P in the center of
the arc? Also, why do the straight wire segments make no contribution to B?
HIT
(0.509)
1 x t0-7
T A(ISA T4 Fd)
0.2Smx
2.36 X10-67 nto thapage (-RI15T x10-7T Fad/m/
f Co%1809)
50
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