Q19. A long straight wire carries current I = 30 A to the right as shown. Point P is d = 0.15 cm away from the wire. What is the magnitude of the magnetic field at P? A. 1.0×10-³T B. 1.5x10-³T C. 2.0×10-³T D. 2.5×10-³T E. 4.0x10-3T F. 4.5×10-³T G. 12x10-³T H. none of the above Po d
Q19. A long straight wire carries current I = 30 A to the right as shown. Point P is d = 0.15 cm away from the wire. What is the magnitude of the magnetic field at P? A. 1.0×10-³T B. 1.5x10-³T C. 2.0×10-³T D. 2.5×10-³T E. 4.0x10-3T F. 4.5×10-³T G. 12x10-³T H. none of the above Po d
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Transcribed Image Text:Q19. A long straight wire carries current I = 30 A to the right as shown. Point P is d = 0.15 cm away
from the wire. What is the magnitude of the magnetic field at P?
A. 1.0×10-³T
B. 1.5x10-³T
C. 2.0×10-³T
D. 2.5x10-³T
E. 4.0×10-³T
F. 4.5×10-³T
G. 12x10-³T
H. none of the above
Po
d
Q20. Four charged particle of the same charge moving with the same speed
velocity in the +x direction enters a region of uniform magnetic field directed
into the page. Which particle has the most mass?
A. A
B. B
C. C
D. D
E. The same
-
A.
B.
x
B
(@
C.x
D.x
A
K
M
x
x
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