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Electromagnetism
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Questions (3,774)
A student wishes to make the magnetic force exerted by the electromagnet shown below greater.
image
4 answers
asked by
Anonymous ;)
448 views
According to Faraday’s law, the voltage generated when a magnet is pushed through a coil is dependent on several variables. In
5 answers
asked by
HELP!
2,378 views
Use the table to answer the question.
Electromagnet Current Intensity Number of Turns P medium 20 Q low 20 R low 15 Which list
5 answers
asked by
*shrugs shoulders
267 views
Which statement explains how the charges on objects determine the electric force between them?(1 point)
Responses Objects with
7 answers
asked by
*shrugs shoulders
263 views
Which of the following interactions in the data set below will have an attractive electrical force?
Interaction Object 1 Charge
7 answers
asked by
A
285 views
A(n) is created by passing current through a coil of wire wrapped about an iron core.
a permanent magnet b motor c electromagnet
3 answers
asked by
A
259 views
An electromagnet is a coil of wire with a current running through it. This creates an electromagnetic field. An additional
7 answers
asked by
mustache
4,487 views
A cosmic-ray proton in interstellar space has an energy of 11.0 MeV and executes a circular orbit having a radius equal to that
4 answers
asked by
Edmound
2,904 views
a Negative Charge of -6.0 x 10^-6 C exerts an attractive force of 65 N on a second charge 0.050 m away. What is the magnitude on
4 answers
asked by
Tadeija
2,720 views
The energy stored in a capacitor with capacitance C, having an electric potential difference ΔV, is represented by W = 1/2 C
4 answers
asked by
Cory
2,298 views
An electron and a proton are separated by 2.0 nm. (a) What is the magnitude of the force on the electron? (b) What is the net
4 answers
asked by
Jay
1,479 views
Two identical metal spheres have charges of q1 and q2. They are brought together so they touch, and then they are separated. (a)
5 answers
asked by
Jayflord
4,166 views
Four point charges are located at the corners of a square with sides of length a. Two of the charges are +q, and two are -q.
3 answers
asked by
need help
2,479 views
If I made an electromagnet what would the variables be. controlled, dependent and independent
3 answers
asked by
Mia
842 views
A positive charge Q is on the y-axis at a distance a from the origin, and another positive charge q is on the x-axis at a
2 answers
asked by
Patrick
1,281 views
Am i Correct?
2.0 cm*.044T*/.10 s= 0.88 V Each side of a square loop of wire measures 2.0 cm. A magnetic field of 0.044 T
3 answers
asked by
Me and I
1,177 views
A group of students want to see if they can make an electromagnet that shows evidence of an electrical/magnetic field. They find
1 answer
asked by
Awesome sauce
19 views
Drag the wire loop directly above the magnet. Click Forward and observe the wire loop and light bulb. As the magnet is moving,
5 answers
asked anonymously
34 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
25 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
32 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
63 views
In 1–2 sentences, explain how electromagnets move a maglev train.(2 points)
And write like a fourth grader
1 answer
asked by
u dont know me
18 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
uythc
46 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 by
yes
15 views
Which statement best describes how an electromagnetic motor works?
a. Electrons are moved through a current, creating a circuit.
1 answer
asked anonymously
15 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
678 views
A tiny 0.60g ball carries a charge of magnitude f 8.0uC. It is suspended by a thread in a downward 300 N/C electric field. What
5 answers
asked by
Lisa
2,829 views
Using Coulomb's Law, if the distance between two charged objects is decreased, what happens to the electric force between them?
a
1 answer
asked by
social studies
253 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
15 answers
asked by
Lilly
263 views
Consider an insulating sphere with 10 microCoulombs of charge uniformly distributed through its volume. The sphere is surrounded
10 answers
asked by
aaka
1,096 views
calculate the resistances of (a) 100-watt 120-volt incandescent lamp, (b) a 750-watt 115-volt toaster, (c) a 1300 watt 110-volt
5 answers
asked by
lee
4,382 views
Portfolio: you will design an experiment to investigate the relationship between the number of cool loops and the strength of a
7 answers
asked by
Melody
3,221 views
note: E is for exponetial
two large horizontal, parallel metal plates are 2.5cm apart in air and the upper is maintained at a
5 answers
asked by
matrix school 2
1,346 views
A +6.00 µC charge is moving with a speed of 7.00 x 10^4 m/s parallel to a very long, straight wire. The wire is 5.00 cm from
7 answers
asked by
Mary
5,396 views
If the charge to mass ratio of a proton is 9.58 x 10^7 coulomb/kilogram and the charge is 1.60 x10^-19 coulomb, what is the mass
5 answers
asked by
Hannah
3,241 views
the magnetic force on a straight 0.15m segment of wire carrying a current of 4.5 A is 1.0 N. What is the magnitude of the
4 answers
asked by
ana
3,747 views
The drawing shows two surfaces that have the same area. A uniform magnetic field B fills the space occupied by these surfaces
4 answers
asked by
Mary
3,921 views
what effect did scientists originally think that the intensity of light shining on a photosensitive surface would have on
5 answers
asked by
aaa
2,263 views
8. Determine the acceleration of a proton in an electric field of 500 N/C. How many times is this greater than that due to
4 answers
asked by
ike
1,489 views
A force of 0.053 N is required to move a charge of 36 µ a distance of 30 cm in a uniform electric field. What is the size of
4 answers
asked by
tyler
3,326 views
Which of the following events is caused by magnetic force?
A) A person gets a shock from a doorknob after walking across carpet.
5 answers
asked by
I Need Help!
1,696 views
A charge with a value of 3.0 x 10-5 C is located 2.5 cm from a charge with a value of 6.5 x 10-5 C. Determine the distance from
4 answers
asked by
Arnold
1,230 views
A free proton and a free electron are placed in a uniform electric field. Which of the 2 will experience a greater acceleration?
4 answers
asked by
Krishna santhosh
6,672 views
four identical metallic objects carry the following charges: 1.6, 6.2, -4.8, and -9.4 μC. the objects are brought
4 answers
asked by
kim
1,921 views
2. How might the following things affect the strength of the electromagnet (nail and coil and battery)?
◦ Thickness of the
5 answers
asked by
Anonymous
2,352 views
The magnetic force (Vector FM)on a particle in a magnetic field is found by Vector FM = Vector I × Vector B, Vector I is the
4 answers
asked by
Jackie
1,404 views
A proton is traveling at 2.3E6 m/s in a circular path in 0.75 T magnetic field. What is the magnitude of the force of the
4 answers
asked by
Chantelle
949 views
The figure below shows two current carrying wires and the directions of the currents they carry. The wires carry the following
4 answers
asked by
Jessica
3,539 views
Find the electric field at a point midway between 2 charges of +40.0e-9 C and +60.0E-9 C separated by a distance of 30.0 cm.
My
4 answers
asked by
Marissa
3,723 views
the intensity and direction of the electric field produced by an alpha particle at a distance of 5.0 x10^-11m from the particle
4 answers
asked by
Anonymous
1,229 views
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