In this class demo, the current: lighted up an LED. X broadcast to a radio. turned the motor. slowed down a magnet's fall.
Q: Magnetic fields apply a force on: Magnetic fields only apply a force on magnets, not on charged…
A: Magnetic field is generated by magnets, and it applies force on charged particles, which is given…
Q: What is the SI unit of current? a) Coulomb (C) b) Ampere (A) c) Farad (F) d) Newton (N)
A: B
Q: What is the force per meter on a lightning bolt at the equator that carries 20,000 a perpendicular…
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Q: 15. How does an electric motor use the concept of electromagnetism to work?
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Q: A beam of electrons moves in the direction indicated by the blue arrow. In what direction would the…
A: Right-hand thumb rule: Thumb rules state that if the thumb of the right-hand points in the direction…
Q: Two current-carrying wires are arranged such that the net force between the two wires is attractive.…
A: Ques: Two current-carrying wires are arranged such that the net force between the two wires is…
Q: An electron moves at a velocity of 1.83 x 10^6 m/s in a direction perpendicular to a magnetic field…
A: Data we have velocity,v= 1.83 x 10^6 m/s Magnetic field, B= 3.95 T charge on the…
Q: presence magnetic field into the page, as shown. A 4-ohm resistor is connected into the circuit. 4Ω…
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Q: Calculate the current through a wire that experiences 0.075N of force inside of a 5.5*10^-3 T…
A:
Q: . (a) Explain why the resistance of a conductor increases with temperature. (b) Explain briefly the…
A: Given:-a) why the resistance of a conductor increases with temperature. Explanation:- We know that…
Q: Why is it not a good idea to call magnetic field lines “magnetic lines of force”?
A: Magnetic field lines do not exert force on a target item since they are fictitious lines that…
Q: 7-3. In Figure PS-7-3, find the magnetic field at point P, which is at the common center of the two…
A: The magnetic field at a point P due to a current-carrying wire of very small length is given by the…
Q: A charged particle is moving downward. It creates a. a magnetic field but not electric. b.…
A: Given that charge particle is moving downward. If it moves in a electric or magnetic field there…
Q: Which of the following statements is TRUE? Motion of a charged particle is zero. Motion of…
A: When a charged particle is in magnetic field then the force on charge is given by, FB = q (V × B)…
Q: Parallel Wires: Two long, parallel wires carry currents of different magnitudes. If the current in…
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Q: When a current is passed through a wire it creates a magnetic field. What happens if you reverse the…
A: When a current is passed through a wire it creates a magnetic field.
Q: When we move a conductor of length L in a magnetic field of strength B with a velocity V then e mf…
A: In the given question we have to discuss about when we move a conductor of length L in a magnetic…
Q: What magnetic pole is at that location? Why?
A:
Q: A bar magnet is cut into four pieces. Then each piece. O a. has only north pole O b. has a north and…
A: When a bar magnetic is cut into four pieces, Then each piece behave like a magnet.
Q: Use the right-hand rule to relate the magnetic field to the direction of the current through a…
A: In physics, the right-hand rule is the best mnemonic for understanding the relation between…
Q: The current in a vertical wire moves downward. Describe the direction, shape of the magnetic field…
A: Using Maxwell's right hand thumb rule : This rule is used to determine the direction of magnetic…
Q: A standing wave on a 1-m string fixed at both ends is described by: y(x,t) = 0.3sin(5Ttx)cos(30Tt),…
A: The standing wave on the string is given as y(x, t) = 0.3 sin(5πx) cos(30πt) Where x and y are in…
Q: If the distance from a current carrying wire doubles, the magnetic fi?eld produced by it a.…
A: IN THE QUESTION IT IS GIVEN THAT A CONDUCTOR IS CARRYING CURRENT (I) FROM THE APPLICATION OF…
Q: @) An MRI technician moves his hand from a region of very low magnetic field strength into an MRI…
A: From Faradays law of electromagnetic induction, when magnetic flux through a conductor changes with…
Q: 26. Three particles move through a constant magnetic field and follow the paths shown in the…
A: To determine the charge of each particle, we can use the right-hand rule for charged particles…
Q: An electron passes through a magnetic field without being deflected. What do you conclude about the…
A: The expression magnetic force,
Q: 3. Consider the two current-carrying loops shown below. Do you expect them to attract and repel?…
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Q: Which properties of magnetic fields and poles are similar to properties of electric field and…
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Q: Calculate the current through a wire that experiences 0.075N of force inside of a 5.5x10-³T magnetic…
A: Given: Force is 0.075 N Thickness is 0.10 m Magnetic field is 5.5*10-3 T
Q: When a charged particle moves parallel to the direction ofa magnetic field, the particle travels in…
A: A charged particle experience a force when it is moving perpendicular to the magnetic field but in…
Q: 7-1. A very large nuclear fusion reactor has an extremely high temperature gas circulating in a…
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Q: A electric motor has a current running through it and it is rotating counterclockwise in an external…
A: We have an electric motor with a current running through it and it is rotating counterclockwise in…
Q: A power line carries a current of 97 A west along the tops of 8.5-m high poles. 1) How does this…
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Q: Generate electricity with a bar magnet! Discover the physics behind the phenomena by exploring…
A: Magnets are a very interesting aspect of physics .There are a lot of reasons to explore them. Some…
Q: Why does a piece of iron in a current-carrying loop increase the magnetic field strength?
A: The piece of iron in a current-carrying loop increases the magnetic field of an electro magnet.
Q: Magnetic Poles and electric charges both follow the rule that "opposites attract and like repel".…
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Q: Calculate the current through a wire that experiences 0.075 N of force inside of a 5.5*10^-3 I…
A: Given that:-Force,F=0.075NMagnetic field, B=5.5×10-3TDiameter of the wire, d=0.10mWe know…
Q: what happens when an electron is shot through the ends of a horseshoe magnet?
A: Given data- an electron is shot through the ends of a horseshoe magnet. we know that a horseshoe…
Q: Will dropping a magnet down a long copper tube produce a current in the walls of the tube? And why?
A: When the magnet is dropped down the long copper tube, it takes considerable time to exit the tube.…
Q: 11. In the following electromagnet: a. the current in the wires on the side closest to you is…
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Q: 15. Three particles have identical charges and masses. They enter a constant magnetic field and…
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Q: At a particular instant, an electron moves eastward at speed V in a uniform magnetic field that is…
A: Given: the electron moves eastward with speed v the uniform magnetic field is directed…
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