FG A horizontal thin wire has a mass m and length L. The wire carries a constant current I. What must be the direction of the magnetic field in order to cancel the gravitational force? (A) Left (B) Right (C) Down the page (D) Out of the page (E) Into the page
FG A horizontal thin wire has a mass m and length L. The wire carries a constant current I. What must be the direction of the magnetic field in order to cancel the gravitational force? (A) Left (B) Right (C) Down the page (D) Out of the page (E) Into the page
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how do you do number 5? this is a non graded practice worksheet
Transcribed Image Text:FG
A horizontal thin wire has a mass m and length L. The wire carries a constant current I. What must be the
direction of the magnetic field in order to cancel the gravitational force?
(A) Left (B) Right (C) Down the page (D) Out of the page (E) Into the page
6.
A horizontal thin wire has a mass m and length L. The wire carries a constant current I. What must be the
magnitude of the magnetic field in order to cancel the gravitational force?
(A) IL/mg (B) mg/IL (C) Ig/mL (D) Im/gL (E) Zero
7. An electron enters a uniform magnetic field directed in -Z.
What is the direction of the magnetic force on the electron
due to the magnetic field?
(A) +X direction (B) +Y direction (C) -X direction
(D)-Y direction (E) Applied force is zero
X
X
X X X X
X X
X X X
X
X X
X X X X
X
V
"!..
S
X
Y
+Z
X
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