15. How does an electric motor use the concept of electromagnetism to work?
Q: hen charged particles from space are travelling parallel to the Earth’s magnetic field, what happens…
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Q: 1. An electron experiences a magnetic force of 8.32×10-17 N when traveling at 19.5° with respect to…
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Q: What is the radius of a proton’s trajectory when it moves at 1.2(10)6 m/s perpendicular to a…
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Q: Because of a higher moisture content, air is a better conductor in the summer than in the winter.…
A: The shocks from static electricity to be more severe in winter than summer. In winter humidity is…
Q: What work does the magnetic force do on a charged particle? -qvBℓ -qBℓ -12 hours a day of…
A: Suppose a charged particle (q) is moving along the rod (up or down) with some speed v. The magnetic…
Q: How come constant magnetic fields have no work on a moving charged particle?
A: Constant magnetic fields have no work on a moving charged particle, the reason is given below,
Q: Q3. a) Ferromagnetic materials are used widely in the construction of electrical machines, such as…
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Q: a) explain every step of How can the motion of a charged particle be used to distinguish between an…
A: The force on the charged particle in the electric field is F→ = q E→ where, q is the charge and E…
Q: Why are the armature and field windings of an electric motor usually wound on an iron core?
A: Given: iron core
Q: A circuit is made with a resistor of resistance 25 ohms and a movable bar with length 15 cm moving…
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Q: Why would it be dangerous to wear a silver bracelet in a place which has a strong magnetic field?
A: Here, we look into the phenomenon of induction and see how it plays out in the given situation.
Q: A electric heater that draws 13.5 A of dc current has been left on for 10 min. How many electrons…
A: Given value--- current = 13.5 A. time = 10 min. We have to find--- How many electrons that have…
Q: presence magnetic field into the page, as shown. A 4-ohm resistor is connected into the circuit. 4Ω…
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Q: How does the magnitude of the current passing through the conductor affect the magnetic field?
A: Magnetic field is the area surrounding a magnetic material around which its presence can be felt.…
Q: Explain the theory of electromagnetic induction in layman's terms. An illustration or example would…
A: Electrostatics is the study of static charges and the electric field generated by a static charge…
Q: Why does it become more difficult to move a magnet towards a coil when the number of turns in the…
A: When a magnet with similar pole is moved towards the coil with large number of turns, experiences a…
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: Two long parallel wires carry currents of 5.0 A and 8.0 A in the opposite directions. The wires are…
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Q: Suppose you move along a wire at the same speed as the drift speed of the electrons in the wire. Do…
A: A magnetic field is generated only when the charges is moving. However electric field is generated…
Q: A piece of plastic tape coated with iron oxide is magnetized more in some parts than in others. When…
A: The Faraday’s formula of the induced emf (ε) reads, Here, ϕB is the magnetic flux.
Q: Identify the laws of electromagnetic induction.
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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: Can we detect the inertia of electricity?
A: Yes it is possible to detect the inertia of electricity.
Q: A spacecraft orbiting the Earth has a coil of wire in it. An astronaut measures a small current in…
A: Given A spacecraft orbiting the Earth has a coil of wire in it. An astronaut measures a small…
Q: Why does the number of loops on a copper wire effect the magnetic force?
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Q: Why is a generator armature harder to rotate when it is connected to a circuit and supplying…
A: It is a matter of energy conservation.
Q: What generates magnetic fields? Electrical charges at rest. O Voltages. O Motion of electrical…
A: Answer : Motion of electrical charges
Q: 377=1000 A B =5107 つ。 -エ)- ma BI ーS に
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Q: Does the most effective electromagnet have more or fewer winds? Thicker wires can carry more…
A: An Electromagnet is type of magnet in which magnet field produced by an electric current . It is…
Q: What part of a motor causes its electromagnet to turn in the same direction consistently,…
A: Sol. Correct option is commutator If motor is connected with Ac source of current then polarity of…
Q: List three phenomena that pertain to electromagnetism
A: Electromagnetic waves have properties of speed, wavelength, and frequency.
Q: #2. (a) Explain every step briefly the dissimilarities between Biot-Savart law for the calculation…
A: The electric field on a charged particle in accordance with Coulomb's law is E=14πεoqr2 The magnetic…
Q: Give 2 examples or situations where you can apply electromagnetic induction
A: (1) Electric Generators : Electromagnetic induction is used in electric generators to convert…
Q: Which of the following is not an application of electromagnetic induction? Select the correct answer…
A: Electromagnetic induction of an electromotive force produced by the motion of a conductor across a…
Q: In Faraday’s apparatus, No current flows through the galvanometer when the switch remains closed or…
A: According to question: The galvanometer is used to detect any current induced in a separate coil on…
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: *** 28. A bar is moved along conducting rails at a constant 2.0 m/s in the presence of a 1-tesla…
A: Since, it contains multiple subparts , solution for the first three is provided.
Q: A few elements are naturally magnetic at room temperature. Select all that are True. Copper is…
A: A list of elements is given . To find = elements that are naturally magnetic at room temperature.
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