15. How does an electric motor use the concept of electromagnetism to work?
Q: How can it be shown that resistance alone does not determine the current to a motor armature? Why…
A: The armature of a motor is in every way similar to that of a generator. The conductors on the…
Q: Electricity emanates from the natural property of the universe, thus, there are three main entities…
A: electricity is very important part of our life. Benefit of electricity to human life is listed…
Q: What effect does the Earth's magnetic field have on the intensity of cosmic rays striking Earth's…
A:
Q: List down 5 famous people who has a major contributions to Electromagnetism.
A: Following are the five famous people with great contribution in electromagnetism :- 1. André-Marie…
Q: by using current and magnetism, What is the basic difference between a motor and a generator?
A:
Q: At a particular instant, a proton moves toward the east in a uniform magnetic field that is directed…
A: According to Fleming's left hand rule, If we stretch the forefinger, middle finger, and thumb of the…
Q: Do you think an electromagnet can be used for separating plastic bags from a garbage heap? Explain.
A: We know electromagnets are solenoids with current through it due to which they act like magnets.…
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…
A:
Q: An electron is moving with constant velocity in a region of space with uniform magnetic field as…
A: The direction of velocity is given : Ve→ towards right ,
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: Please explain why a moving conductor slows down near a magnet
A: To explain the moving conductor slows down near a magnet
Q: Can magnetic fields cause currents?
A: Introduction: According to Faraday's law, the rate change magnetic flux with respect to time…
Q: Why does a brushed DC motor have a commuter and what is its function?
A:
Q: N II II IV O I and II O IIlI and IV O I and II O Il and IV O Il and III
A:
Q: Identify the laws of electromagnetic induction.
A:
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: APPLICATION: 1. Give some uses of electromagnets a b d What is the function of an electromagnet in a…
A: The use of electromagnets :- We are using the electromagnet in the following Motors and generators.…
Q: What generates magnetic fields? Electrical charges at rest. O Voltages. O Motion of electrical…
A: Answer : Motion of electrical charges
Q: List two methods of producing magnetic fields.
A: Two ways of producing magnetic fields: A magnetic field can be produced at a region by placing a…
Q: List three phenomena that pertain to electromagnetism
A: Electromagnetic waves have properties of speed, wavelength, and frequency.
Q: Which properties of magnetic fields and poles are similar to properties of electric field and…
A:
Q: A change in magnetic flux induces an Electromotive force (emf). What are the three ways that…
A: Given statement : A change in the magnetic flux induces EMF (electro motive force). To discuss :…
Q: Why Does Electric Current Produce A Magnetic Field?
A: An electric current produces a magnetic field. This is possible when an electric charge is in…
Q: How can the motion of a charged particle be used to distinguish between a magnetic and an electric…
A:
Q: What are the two distinct characteristics that a magnet possesses?
A:
Q: the image below shows an example of motor effect, wherein increasing the current can increase the…
A: From Lorentz magnetic force The force experienced by a moving charge in a magnetic field is given…
Q: When the polarity of the voltage applied to a dc motor is reversed, the direction of motion does not…
A: Introduction: The DC motor is an electrical device that converts electrical energy into mechanical…
Q: 2) In a lightning bolt, a large amount of charge flows during a time of 1.80 ms. Assume that the…
A: Given: t=1.8×10-3 sr=27.0 mB=80×10-6 T
Q: What does a charged particle experiences when moving in a circular magnetic field that is…
A: Consider a charge particle of magnitude q which is travelling with some velocity v in a region…
Q: Which of the following statements about the earth's magnetic field is NOT true? O The south pole of…
A: a) The south pole of the earth's magnetic field is actually magnetic north. This statement is true.…
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: 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".…
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: *** 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.
Q: A helical coil spring was wrapped with a current. The spring shortened, as if compressed. Why?
A: To be determine : A helical coil spring wrapped with a current then the spring is shortened.
How does an electric motor use the concept of
Step by step
Solved in 2 steps with 2 images
