An induction stove heats a pot with a coil carrying an alternating current located beneath the pot (and without a hot surface).Can the stove surface be a conductor? Why won’t a coil carrying a direct current work?

Q: How many coils must a loop have with a cross-sectional area of 0.50m? that is pulled through a…

A: E =4V, A = 0.5m2 B = 0.25T, ∆t  = 1sec  The induced emf in the coil is  E = N.BA/∆t N = ∆t.E /BA N =…

Q: A typical wall outlet voltage in the United States is 120 volts. Personal MP3 players require much…

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Q: Mutual induction), the current induced in the loop, will generate current in the straight conductor?

A: the current induced in the loop, will generate current in the straight conductor?

Q: _8. If the South pole of the bar magnet is introduced into a coil at end A, which of the following…

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Q: .) A flat coil is in a uniform magnetic field. The magnetic flux through the coil is greatest when…

A: Magnetic flux is defined as nos. of magnetic field(B) lines passing through a given closed surface…

Q: Approximately how does the emf induced in the loop in 23.57(b) depend on the distance of the center…

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Q: A toroidal coil has a mean radius of 16 cm and a cross-sectional area of 0.25 cm2 ; it is wound…

A: Given Data: The radius of a coil is, R=16 cm The cross-sectional area of a coil is, A=0.25 cm2 The…

Q: Faraday's law of electromagnetic induction indicates that an induced EMF may be generated in a loop…

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Q: Suppose that when you move a magnet through a 34.5-turn coil at a certain speed, a voltage of 81.8…

A: According to Faraday's second law Induced emf = rate of change of magnetic flux

Q: Suppose a large power plant generates electricity at 12.0 kV. Its old transformer once converted…

A: The equation for the current in terms of power and voltage is,

Q: State two factors on which the magnitude of induced emf in a coil depend.

A: induced emf in the coil depends on many factors,1) number of turns in the coil2) the magnetic flux…

Q: A 12H inductors carries a current of 2A. At what rate must the current be changed to produce a 60V…

A: The equation for the rate at which the current has to be changed can be obtained as

Q: In a region of space, a uniform magnetic field of induction B is established everywhere pointing in…

A: Given Data: Charge projection velocity→u Horizontal component, uH=u cos θ Vertical component, uV=u…

Q: Procedures that affects the magnitude of induced emf in the coil The strength of the magnetic field…

A: The magnetic flux is given by, ϕ=B.A Where B is the magnetic field A is the area of the coil. When…

Q: Which of the following components does not have a coil? A Electric motor b. Electric transformer c.…

A: Explanation: Electric motor: The electric motor is an electrical device which use to convert…

Q: In a stationary field coil of 500 turns calculate the induced voltage produced by the following flux…

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Q: Consider that the energy of the magnetic field inside a coil with a DC current is equal to 0.5 J.…

A: The DC current =0.5J  The magnetic flux through the coil 2.3Wb  To find the electric current flowing…

Q: In electromagnetic induction, how does no. of coils affect the current produced?

A: The phenomenon of Electromagnetic induction is discovered by Michael Faraday in 1831.  The Law of…

Q: How fast (in rad/s) must a 92-turn coil spin in a 0.039 T field to create a peak voltage of 8.3 V?…

A: Given number of turns = N = 92 strength of magnetic field = B = 0.039 T peak voltage = Vmax = 8.3 V…

Q: In a non-ideal transformer, provide a physical explanation as to why the current in the primary coil…

A: consider the transformer arrangement as shown

Q: Which of the following statements can describe the process of the law of induction? A. Increase in…

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Q: Consider that the energy of the magnetic field inside a coil with a DC current is equal to 0.7 J.…

A: The given data are listed below with suitable variables. Here, E denotes the energy of the magnetic…

Q: A magnet is placed into a coil. The induced emf across the coil is 10 mV. What would the emf be if…

A: The expression for the induced emf in the coil is      ε=NBAω Here N is number of turns, B is the…

Q: Is it possible to perform electromagnetic induction using 2 coils? How should it be done and what…

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Q: .A 110 V direct current motor generates a back-emf of 98 V when it runs at full speed. If the…

A: Given Data: Applied voltage, V=110 V Back-emf, ε=98 V Resistance, R=10 Ω ⇒Motor runs at full speed.

Q: Which part of a motor can be used to identify a "DC motor"? O a. Loop or coil O b. slip rings O c.…

A: Loop or coil and magnetic poles are used in both AC and DC generator.

Q: A person who works with large magnets sometimes places her head inside a strong field. She reports…

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Q: the induced current opposes the decay of current in the coil when the main current in the coil…

A: TRUE Self induction :-  Self inductance is the characteristic of the coil itself. The induced…

Q: a strong permanent magnet is plunged into a coil and left in the coil. What is the effect produced…

A: When a strong magnet ? is plunged into a coil, then Due to change in magetic field current is…

Q: Faraday's law of magnetic induction states that the voltage induced by a current running through a…

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Q: A step down transformer produces produces a voltage of 6 volts across the sec- ondary coil when the…

A: voltage in primary, Vp = 120 V  voltage in secondary, Vs = 6 V

Q: Which particular part of a the motor you can use to identify a "AC motor"? O a. Magnetic poles O b.…

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Q: According to Lenz's law the direction of an induced current in a coil of resistance R will: be…

A: Solution:- According to the lenz's law; The current induced in a circuit due to change in magnetic…

Q: A large power plant generates electricity at 12.0 kV. Its old transformer once converted the voltage…

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Q: A bicycle generator rotates at 1500 rad/s, producing an 21.0 V peak emf. It has a 1.30 by 3.50 cm…

A: We have Length of the rectangular coil, L=1.30×10-2m The breadth of the coil, B=3.50×10-2m E0=21.0V…

Q: A coil with a self-inductance of 6.0 H is connected to a dc battery through a switch. As šooh as the…

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Q: What is the CORRECT statement about Faraday's law of induction? a. The emf produced in a loop of…

A: Faraday law od induction says that emf produced is proportional to the rate of change(time…

Q: Suppose a large power plant generates electricity at 12.0 kV. Its old transformer once converted…

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Q: When you push the South end of a magnet into a solenoid, it creates a negative voltage. If you push…

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Q: Does an MHD generator employ Faraday’s law of induction?

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Q: QUESTION 7 The primary of a transformer has 120 turns, while the secondary of the same transformer…

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Q: 23. The angle between the coil's plane and the field direction as the e.m.f induced in the coil of…

A: We know that the expression for EMF is  emf=dϕdtemf=NABcosθ we know that the range of cosine…

Q: In electromagnetic induction, how does the brightness of the bulb with a lower coil differ from…

A: The self inductance of the coil is given by L =μ0μrN2AIwhere, A =Cross-section area of the coilN=…

Q: what will be the current in the secondary winding of a transformer if the turns ratio is 8:4 and the…

A: Given data: Turns ratio, NpNs=84=2 Current in the primary winding, Ip=1 A

Q: A coil rotates in a magnetic field and generates an induced voltage. The magnitude of the induced…

A: A coil rotates in a magnetic field Induced voltage is V = NBAW N = number of turns B = magnetic…

Q: oil replaced with another coil that has loops 2 times the initial loops and the rate of change of…

A: Given:- A coil replaced with another coil that has loops 2 times the initial loops and the rate of…

Q: Two coils of wire are placed one above the other. A current flows through the bottom coil. An EMF…

A: Lenz law states that when there is change in magnetic flux linked with a coil ,then emf get induced…