Questions LLC
Login
or
Sign Up
Ask a New Question
Electromagnetism
Page 3
Questions (3,891)
• 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
402 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
691 views
A battery of emf and negligible internal resistance is connected to two resistances R1 and R2 in series. What is the potential
3 answers
asked by
john
1,024 views
A student connects a battery to a wire and wraps the wire around an iron nail to produce an electromagnet. Which action should
1 answer
asked by
Gelo
142 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
491 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
486 views
Three negative charges with charge –q occupy the vertices of an equilateral triangle with sides of length L as shown below
a)
1 answer
asked anonymously
57 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
51 views
Which statement best describes how an electromagnetic motor works?(1 point)
Responses Electrons are moved through a circuit,
1 answer
asked anonymously
37 views
A four-pole alternator has a uniform magnetic flux density of 0,5 T. A square coil with 200 turns and sides of 18cm is rotated
1 answer
asked anonymously
43 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
37 views
Which statement best describes how an electromagnetic motor works?(1 point)
Responses Electrons are moved through a magnet,
1 answer
asked anonymously
45 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
32 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
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❤️❤️❤️❤️
28 views
A student connects a battery to a wire and wraps the wire around an iron nail produced an electromagnet which action should the
1 answer
asked anonymously
43 views
Two electromagnets I made with the same core in the same type of wire electromagnet has a low intensity. Current and
1 answer
asked anonymously
36 views
A student connects a battery to wire and wraps the wire around an iron nail to produce an electromagnet. Which action should the
1 answer
asked anonymously
35 views
Non-Contact Forces Unit Test
11 of 1311 of 13 Items Question Use the table to answer the question. Electromagnet Current
1 answer
asked anonymously
70 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!!❤️
19 views
A negatively charged particle is attracted to(1 point)
Responses negatively charged particles. negatively charged particles. all
1 answer
asked anonymously
121 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 anonymously
31 views
rf eawdcx
5 answers
asked anonymously
11 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
17 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
15 views
Which of the following factors would decrease the magnetic field strength of an electromagnet?(1 point) Responses increasing the
7 answers
asked anonymously
16 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
25 views
Which of the following factors would decrease the magnetic field strength of an electromagnet?(1 point)
Responses increasing the
5 answers
asked anonymously
9 views
Four students made models of an electromagnet. Which model is most likely to produce the strongest magnetic field?
* 1 point
1 answer
asked anonymously
10 views
A negatively charged particle is attracted to
1 answer
asked anonymously
3 views
An inductor in the form of a solenoid contains 440 turns and is 15.8 cm in length. A uniform rate of decrease of current through
4 answers
asked by
Robert
1,740 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
703 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
1,215 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
2,372 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
460 views
Which of the following electromagnets would have the greatest magnetic field?
a b c d
1 answer
asked by
kali
142 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
116 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
133 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
111 views
Name three uses of an electromagnet
1 answer
asked by
asjdhwuei
70 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📃✏️😔
115 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
78 views
A conducting sphere has a net charge of +Q . Points A and B are on opposite sides of the surface of the sphere. If a point
5 answers
asked by
Brady
1,725 views
What is an electric field
2 answers
asked by
Sinachi
122 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
297 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
1,497 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
138 views
A proton accelerates from rest to 3.00x10^6m/s in 1.00x10^-6s in a uniform electric field E. What is the magnitude of the
2 answers
asked by
Robert
949 views
Electromagnetism in Use Quick Check
What creates the magnetic force in an electromagnet? 1. coiled wire 2. electric current 3.
3 answers
asked by
sunghoonlover
292 views
What do earth magnetic poles mean in relationship to magnetism?
1 answer
asked by
Science
53 views
Pages
1
2
3
4
5
6
7
8
9
10
Parent Categories (35)
Atomic Physics
Atomic Structure
Classical mechanics
Electric Circuits
Electricity
Electricity and Magnetism
Electricity/Magnetism
Electronics
Engineering
Force and Interaction
Forces
Forces and Fields
Forces and Motion
Fundamental Forces
Magnetism
Mechanics
Particle Physics
Physical Science
Physical Sciences
Physics
Physics and Engineering
Physics Education
Physics or Electricity
Physics or Engineering
Physics or Science
Physics/Electricity and Magnetism
Physics/Engineering
Quantum Mechanics
Science
Science and Physics
Science and Technology
Science/Electricity
Science/Physics
Scientific Discoveries
Units of Measurement