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Magnetic Fields
Page 5
Questions (419)
A student uses a magnet to place a picture on the refrigerator door. Which statement explains how the magnet is able to stick to
1 answer
asked anonymously
46 views
A student uses a magnet to place a picture on the refrigerator door. Which statement explains how the magnet is able to stick to
1 answer
asked anonymously
112 views
A student is investigating with magnets. She places one end of a bar magnet near the end of another bar magnet. The diagram
4 answers
asked by
Ms. Rojo
60 views
A student uses a magnet to place a picture on the refrigerator door. Which statement explains how the magnet is able to stick to
1 answer
asked anonymously
61 views
A student tries to pick up a metal object with a magnet, but the magnet is too far away. What can he change in order to
1 answer
asked by
dee
47 views
Zack places iron filings on a piece of paper near a bar magnet. The iron filings quickly move and form a pattern around the
1 answer
asked by
No one
75 views
Parallel wires, a distance D = 23.8 cm apart, carry a current, i = 2.43 A, in opposite directions as shown in the figure. A
1 answer
asked by
Anonymous
986 views
consider an electron near the equator. in which direction does it tend to deflect by the magnetic field of the earth if its
2 answers
asked by
Anonymous
984 views
Which of the following is correct for the charge in a magnetic field?
Choose one answer. a. A stationery charge can experience a
2 answers
asked by
ashley --- HELP PLEASEE!!!
988 views
A proton and an electron enter perpendicular to the direction of the magnetic field. The speed of the proton is twice the speed
4 answers
asked by
kayla
969 views
A long, straight wire lies on a horizontal table and carries a current of 1.45 µA. In a vacuum, a proton moves parallel to the
2 answers
asked by
Physics
988 views
An infinite straight wire carrying a current I=5 A flowing to the right is placed above a rectangular loop of wire with width
3 answers
asked by
Annoyingmous
938 views
Two current carrying wires cross at right angles as indicated in the figure.
If the wires are not restrained, what statement best
6 answers
asked by
mm.
970 views
A wire of radius R carries a non-uniform current: the current density, j, (current per unit area) varies as a function of
3 answers
asked by
Anonymous
937 views
A wire carrying a 28.0 A current bends through a right angle. Consider 2.00 mm
segments of wire, each 3.00 cm from the bend (see
1 answer
asked by
KAIT
927 views
You decide to build a cyclotron (because you are bored) that will accelerate protons to 10% of the
speed of light. The largest
2 answers
asked by
Ri
949 views
A charged particle is moving downward with an initial speed of 5 × 106m/s when it encounters a uniform magnetic field that
1 answer
asked by
Lindsey
904 views
A current I=2.3 A flows around a continuous path that consists of portions of two concentric circles of radii a and a/2,
1 answer
asked by
s
875 views
Read the passage about an investigation and answer the following question:
Camila is performing an investigation in which she
1 answer
asked by
No one
233 views
A piece of copper wire has a resistance per unit length of 5.50 x 10^-3 Ω/m. The wire is wound into a thin, flat coil of many
2 answers
asked by
Anonymous
864 views
A proton with a speed of 3.5 × 10
6 m/s is shot into a region between two plates that are separated by a distance of 0.23 m. As
2 answers
asked by
Anonymous
859 views
A proton and an electron have the same kinetic energy upon entering a region of constant magnetic field. What is the ratio of
2 answers
asked by
Cheri
836 views
Two current carrying wires cross at right angles (like a + sign).
Wire 1 has current directed horizontally to the left. Wire 2
5 answers
asked by
Jane
870 views
A proton moves eastward in the plane of
Earth’s magnetic equator so that its distance from the ground remains constant. What is
1 answer
asked by
alice
835 views
Consider two N-turn circular coils of radius R, each perpendicular to the axis of symmetry, with their centers located at
1 answer
asked by
abdul rahman
811 views
a current-carrying wire is oriented at right angles to a uniform magnetic field. if the lenght of the wire is 0.50m and it
2 answers
asked by
mj
828 views
A charge of -5.02 μC is traveling at a speed of 8.86 × 106 m/s in a region of space where there is a magnetic field. The angle
1 answer
asked by
Lily
821 views
A 14 cm diameter circular loop of wire is placed in a 0.58 T magnetic field.
(a) When the plane of the loop is perpendicular to
3 answers
asked by
JOSE
1,973 views
A wire of thickness d = 5 mm is tightly wound 200 times around a cylindrical core to form a solenoid. A current I = 0.1 A is
3 answers
asked by
April
1,350 views
A horizontal wire carries a large current. A second wire carrying a current in the same direction is suspended below it.Can the
2 answers
asked by
Lia
815 views
A wire runs left to right and carries a current in the direction shown. What is the direction of the magnetic field at point Z?
3 answers
asked by
Anonymous
782 views
Two parallel wires are carrying current. If the currents are in the same direction, what is the interaction between the two
2 answers
asked by
Liz
813 views
An electron moving through a uniform magnetic field with a velocity of 2.0x10^6 m/s [up] experiences a maximum magnetic force of
1 answer
asked by
Susan
810 views
A proton travels with a speed of 3.39×106 m/s
at an angle of 56.8 ◦ with a magnetic field of 0.305 T pointed in the y
2 answers
asked by
Anonymous
793 views
The figure shows the orientation of a rectangular loop consisting of 80 closely wrapped turns each carrying a current I. The
1 answer
asked by
AAA
794 views
A wire 75cm long carrying a current of 6.0A toward the north passes through a uniform magnetic field. The magnitude of the force
2 answers
asked by
Javier
793 views
A proton and an electron enter perpendicular to the direction of the magnetic field. The speed of the proton is twice the speed
2 answers
asked by
fred
783 views
an insulated circular ring of diameter 6.50cm carries a 12.0 A current and is tangent to a very long, straight insulated wire
1 answer
asked by
jennifer
762 views
A rod moves on two horizontal frictionless conducting rails, as shown. The magnetic field in the region is directed
1 answer
asked by
AAA
757 views
anybody help me to my homework please.!thanks
TRUE or FALSE 1.the north pole of a permanent magnet is attracted to a south pole
2 answers
asked by
Shelle
763 views
A magnetic field is perpendicular to the plane of a single-turn circular coil. The magnitude of the field is changing, so that
3 answers
asked by
Emily
736 views
In a lightning bolt, 13 C of charge flows in a time of 1.5*10-3 s. Assuming that the lightning bolt can be represented as a
2 answers
asked by
rick
730 views
A 42 mT magnetic field points due west. If a proton of kinetic energy 9x10E-12 J enters this field in an upward direction, find
1 answer
asked by
seanmarch58
729 views
Two parallel wires carry currents in the same direction. I1=3A and I2=1A and the distance between the conductors is 4 cm. The
3 answers
asked by
asif
735 views
The polarity of an electromagnet can be determined using the second right-hand rule.
A. True B. False Is it B? Current passing
3 answers
asked by
sophie
697 views
A square-shaped loop carries current I. What is the magnitude and the direction of the magnetic field at point P, which is
2 answers
asked by
Please help!
715 views
An infinitely long wire carrying a current of 2 A is bent at a right angle as shown in the Figure. What is the magnetic field a
1 answer
asked by
James urgent need help
685 views
a) A singly charged positive ion with a mass of 6.68*10^-27 kg moves clockwise in a circular path of radius 3 cm with a speed of
2 answers
asked by
Chimcy
692 views
2.00 m long straight copper wire has a current of 8.0 A in it as it passes through a magnetic field. The magnitude of the force
2 answers
asked by
grey
711 views
The magnetic field inside a solenoid is 8.617 mT. If this solenoid sits with its central axis perpendicular to a 30 mT magnetic
2 answers
asked by
Sandhya
719 views
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Parent Categories (11)
Electricity
Electricity and Magnetism
Electromagnetism
Forces in Nature or Magnetism
Magnetism
Magnetism and Electricity
Magnetism and Electromagnetism
Magnets
Physics
Physics or Magnetism
Plate Tectonics