15.A positive charge of 0.300 C moves horizontally due +x at speed 2.50 x 102 m/s. It entered a magnetic field directed towards -y with a magnitude of 0.400 T. What is the magnitude (include unit) and direction of the force on the charge? Which formula must be used for this problem?

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Chapter1: Units, Trigonometry. And Vectors
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15.A positive charge of 0.300 C moves horizontally due
+x at speed 2.50 x 102 m/s. It entered a magnetic field
directed towards -y with a magnitude of 0.400 T. What
is the magnitude (include unit) and direction of the
force on the charge?
Which formula must be used for this problem?
O A
F = BIl
OB
mv²
F
=
r
O G.
F = qvB sin0
O D.
F = II B sin 0
17.5.00 A current flows in the +x within a straight
horizontal wire, 1.50 m long. The wire is within a
magnetic field of magnitude 0.300 T in the +z
direction. What is the magnitude (with unit) and
direction of force on the wire?
Which formula must be used for this problem?
O A.
F =
qvB sine
о в.
F = BIl
O C
F = IIB sin 0
O D
mv²
F
-
r
21.A solenoid 150 cm long with 1550 turns has a
central magnetic field of 1.50 mT. Find the current
through the coil.
Which formula must be used for this problem?
OA.
μI
B =
2лr
MI
B = N
2R
B =
B =
OB.
O D.
=
F
qvsine
F
II
Transcribed Image Text:15.A positive charge of 0.300 C moves horizontally due +x at speed 2.50 x 102 m/s. It entered a magnetic field directed towards -y with a magnitude of 0.400 T. What is the magnitude (include unit) and direction of the force on the charge? Which formula must be used for this problem? O A F = BIl OB mv² F = r O G. F = qvB sin0 O D. F = II B sin 0 17.5.00 A current flows in the +x within a straight horizontal wire, 1.50 m long. The wire is within a magnetic field of magnitude 0.300 T in the +z direction. What is the magnitude (with unit) and direction of force on the wire? Which formula must be used for this problem? O A. F = qvB sine о в. F = BIl O C F = IIB sin 0 O D mv² F - r 21.A solenoid 150 cm long with 1550 turns has a central magnetic field of 1.50 mT. Find the current through the coil. Which formula must be used for this problem? OA. μI B = 2лr MI B = N 2R B = B = OB. O D. = F qvsine F II
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