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Electromagnetism
Page 3
Questions (3,771)
An electron is moving parallel to the Earth’s surface at the equator in a direction 25° south of east. Its velocity is 7.3 ´
4 answers
asked by
Ali
839 views
one electron travels twice as fast as another. Which has the longer wavelength?
3 answers
asked by
Anonymous
1,427 views
The potential at the surface of a sphere (radius R) is given by
V_0 = k cos 3theta where k is constant. Find the potential inside
3 answers
asked by
Kim
1,334 views
which electromagnet will produce the strongest magnetic force
3 answers
asked anonymously
419 views
Two equal sphere each weighting 1g hang by 2 equal silk thread from the same point the sphere are charged with in Contact and
5 answers
asked by
kritika
1,272 views
What is the function of the core of an electromagnet?(1 point)
Responses The core provides the conductor through which electric
1 answer
asked by
the real BARNY THE DINO :)
163 views
what magnetic force would an electron experience due to Earth’s magnetic field if it were moving at 3x10E6 m/s directly away
1 answer
asked by
seanmarch58
947 views
• A charged particle with charge q is moving with speed v in a uniform magnetic field. A second identical charged particle is
1 answer
asked by
jami
397 views
1. The figure shows a conducting loop of wire in the field of a magnet which is behind the loop. The South Pole of the magnet is
2 answers
asked by
MP
686 views
a metal ball of radius R is placed concentrically inside a hollow metal sphere of inner radius 2R & outer radius 3R. The ballis
3 answers
asked by
Star
2,223 views
State only Gauss law in integral form.Use it to find out electric field due to an isolated homogeneous sphere of charges at an
2 answers
asked by
mania
488 views
Two parallel wires carry currents I1=100A and I2 (they run in the same direction). The top wire is held in position; the bottom
1 answer
asked by
lauren
484 views
An electromagnet is the most powerful type of magnet there is. It is a magnet with a current running through it that can be
1 answer
asked by
shhh
122 views
Students build four electromagnets and test them by picking up metal tacks. Here are their partial results.
12 coils 4 tacks 24
1 answer
asked by
Griffith Femto
42 views
Which statement best describes how an electromagnetic motor works?(1 point)
Responses Electrons are moved through a circuit,
1 answer
asked anonymously
33 views
How is a magnetic field produced? (1 point)
• when an electromagnetic field interacts with a magnet • when a current runs
1 answer
asked anonymously
48 views
Use the image to answer the question.
A diagram shows a wire carrying a current in vertical direction. The magnetic field drawn
1 answer
asked anonymously
34 views
Which statement best describes how an electromagnetic motor works?(1 point)
Responses Electrons are moved through a magnet,
1 answer
asked anonymously
43 views
Students built two electromagnets. The electromagnets are the same except that one has 20 wire coils around its core, and the
1 answer
asked anonymously
90 views
Two electromagnets are made with the same core and the same type of wire. Electromagnet A has a low-intensity current, and
1 answer
asked anonymously
24 views
A student wraps insulated copper wire 12 times around a nail, and connects the ends to a fresh 9-volt battery. The student finds
1 answer
asked by
ANSWER CORRECTLY
37 views
Two electromagnets are made with the same core and the same type of wire. Electromagnet A has a low-intensity current, and
1 answer
asked anonymously
44 views
what causes the spinning rotor spin? a)large electromagnet b)turbine c)the transmission line d)high pressure
1 answer
asked anonymously
39 views
An electromagnet is a coil of wire with a current running through it. This creates an electromagnetic field. An additional
7 answers
asked anonymously
52 views
An electromagnet the most powerful type of magnet there is, it is my name of the current running through it, that you can turn
1 answer
asked by
Help me❤️❤️❤️❤️
22 views
Use the table of information about four electromagnets to answer the question.
Electromagnet Current Intensity Number of Turns in
5 answers
asked anonymously
34 views
Two electromagnets are made with the same core and same type of wire. Electromagnet he has a low intensity current, and
1 answer
asked anonymously
29 views
What are some ways you could make an electromagnetic motor stronger, and how could you apply these principles to everyday life?
1 answer
asked by
I NEED ANSWERS!!❤️
17 views
A negatively charged particle is attracted to(1 point)
Responses negatively charged particles. negatively charged particles. all
1 answer
asked anonymously
51 views
rf eawdcx
5 answers
asked anonymously
9 views
Which is the best description of how to build an electromagnet?(1 point) Responses Wrap a wire around an iron or steel core at
1 answer
asked anonymously
16 views
Answer this please: There are two objects, one with a +2 charge and one with a -2 charge. If we increase the distance between
1 answer
asked anonymously
12 views
What produces the magnetic force of an electromagnet?(1 point)
Responses movement of charged particles through the wire movement
1 answer
asked by
yes
13 views
Which statement best describes how an electromagnetic motor works?(1 point)
Responses Electrons are moved through a circuit,
1 answer
asked by
you isn't getting my name
14 views
What is the magnitude of the magnetic field at point B produced by a current I if the magnitude of the field at point A is B0?
A)
4 answers
asked by
harry
702 views
Eight charges (50μC each) are arranged on the corners of a cube side length 1 cm. What is the magnitude of the force on each
4 answers
asked by
Anonymous
1,212 views
A long wire carries a current of 1 ampere.Find the magnitude of the magnetic field 2 meter away from the wire.
4 answers
asked by
ace
2,370 views
A sphere of unknown mass with a net charge, Q is released from rest in a uniform electric field, E. After it travels a
4 answers
asked by
anonymous
676 views
A 5.40 cm diameter wire coil is initially oriented so that its plane is perpendicular to a magnetic field of 0.510 T pointing
1 answer
asked by
dude
459 views
Which of the following electromagnets would have the greatest magnetic field?
a b c d
1 answer
asked by
kali
136 views
12. Describe the principle of the direct current motor
13. How far from a straight current−carrying wire carrying a current of
1 answer
asked by
Fuad faji jemal
115 views
Maria makes an electromagnet shown in the figure below. The battery has a voltage of 6.0V, and she uses an iron nail. Which of
1 answer
asked by
kali
125 views
Question 14
What is the effect on the strength of an electromagnet when you increase the number of coils? a The strength
1 answer
asked by
social studies
107 views
Name three uses of an electromagnet
1 answer
asked by
asjdhwuei
69 views
The image illustrates that as the distance between two oppositely charged particles increases, the force of attraction between
1 answer
asked by
Help The ELA Kid📃✏️😔
110 views
The momentum of a photon with a wavelength of 725 nm is:
Question 15 options: A) 9.14 × 10-28 kg ∙ m/s B) 9.14 × 10-25 kg ∙
1 answer
asked by
oyebodegoldencity
77 views
What is an electric field
2 answers
asked by
Sinachi
120 views
Students build four electromagnets and test them by picking up metal tacks. Here are their partial results.
12 coils 4 tacks 24
96 answers
asked by
meli
289 views
FM radio stations use radio waves with frequencies from 88.0 to 108 MHz to broadcast their signals. Assuming that the inductance
3 answers
asked by
Mary
1,490 views
Two identical small charged spheres, each having a mass of 5.0x102 kg and having the
magnitudes of -3µC and -4µC, hang in
2 answers
asked by
Kondwani moyo
132 views
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