Induced EMF is created when the magnetic flux through the surface of a closed-loop changes. Select one: O True O False
Q: Chapter 23: Question 5: An MRI technician moves his hand from a region of very low magnetic field…
A: Step 1:Step 2:Step 3:Step 4:
Q: An MRI technician moves his hand from a region of very low magnetic field strength into an MRI…
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Q: Ps: 0.212V is also wrong
A: Step 1:Length is 9.4×10−2mArea is 5×10−5m2No of turns is 6500 per meter of lengthCurrent is 1.5ATime…
Q: rectangular loop and a circular loop are moving out of a uniform magnetic field region to a…
A: Given A rectangular loop and a circular loop are moving out of a uniform magnetic field region to a…
Q: A magnetic B field of strength 0.9 T is perpendicular to a loop with an area of 4 m². If the area of…
A: Given data The magnitude of the magnetic field is B = 0.9 T The area of the loop initially is A1 = 4…
Q: An MRI technician moves his hand from a region of very low magnetic field strength into an MRI…
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Q: a square loop in the plane of the screen lies in a 0.55T constant magnetic field pointing out out…
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Q: A loop of wire enclosing an area A is placed in a region, where the magnetic field is perpendicular…
A: We know that-The induced emf, e=dϕdt where, flux,ϕ = BAMagnetic field, BArea of loop,…
Q: A loop of wire in the shape of a rectangle of width w and length L and a long, straight wire…
A: As per our company guidelines we are supposed to answer only first 3-sub part. Kindly repost other…
Q: An electric generator uses a 560-turn coil with a diameter of 4 cm that is rotating in a 0.25-T…
A: number of turns of coils = 560 turnsdiameter = 4 cm radius = 2 cm r = 0.02 m magnetic field (B) =…
Q: Is change in magnetic flux directly proportional to induced emf? How?
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Q: 1oop is moved through a magnetic fleld in 7 S, wnere the initial magnetic flux is the final magnetic…
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Q: The coil in an electromagnet has an inductance of 1.7 mH and carries a constant direct current of…
A: Given that,Inductance, L=1.7 mH=1.7×10-3HDirect current, I=5.6 AInduced emf, ε=7.3 V
Q: A coil of 1000 turns encloses an area of 25 cm2 and is in a magnetic field of strength 3e-6 T which…
A: Number of turns (N) =1000 Area (A) = 25 cm2 B1 = 36e-6 T B2 = 0 T ∆t = 0.5 min = 30 sec (half a…
Q: Magnetic field strength in space as shown in the figure below.Find the emf induced in a square…
A: Given a magnetic field strength is :- H→=a→x900 sin106t-x+a→y900 sin107t-z+a→z500 cos6×107t-y
Q: A circular loop of wire is placed in a uniform magnetic field pointing directly into the page, as…
A: r=1 mR=10ΩA=πr2=π m2∆B=2-0=2 T∆t=5 s
Q: A metal bar of length 25 cm is placed perpendicular to a uniform magnetic field of strength 3 T. (a)…
A: Given that-Length of metal bar is 25 cmMagnetic field is 3TInduced emf, ε= Blv ....eqtn 01 here,…
Q: An emf is induced in a conducting loop of wire 1.25 m long as its shape is changed from square to…
A: Given : Length of the wire = 1.25m Change in time = 0.145 s Magnetic field = 0.481 T To Find…
Q: A loop of wire enclosing an area A is placed in a region, where the magnetic field is perpendicular…
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Q: An MRI technician moves his hand from a region of very low magnetic field strength into an MRI…
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Q: A flexible circular wire expands such that its radius increases linearly with time. It is located in…
A: We need to show that the emf induced in the wire varies linearly with time if the radius of wire…
Q: A uniform magnetic field B is perpendicular to the plane of a circular wire loop of radius r and…
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Q: 0.5m 500 0 05 m B= 25, 5cos(120nt – 30°) (T) 500 Q resistance is connected to the square shaped…
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Q: coil of 1000 turns encloses an area of 0.024 m2, and it is rotated in 0.01 s from a position the…
A: According to Faraday's Second law Induced emf is the rate of change of magnetic flux.
Q: A metal bar of length 25 cm is placed perpendicular to a uniform magnetic field of strength 3 T. (a)…
A: Given that-Length of metal bar is 25 cmMagnetic field is 3TInduced emf, ε= Blv ....eqtn 01 here,…
Q: An MRI technician moves his hand from a region of very low magnetic field strength into an MRI…
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Q: Show why the induced current in a wire can only be flowing in a particular direction.
A: According to Lenz's law, " If there is a change in magnetic flux then current in the loop induced in…
Q: An MRI technician moves his hand from a region of very low magnetic field strength into an MRI…
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Q: A copper bar 90 cm long is perpendicular to a field of 0.75 Wb/m2 and moves at right angles to the…
A: Given that:-Length of rod, l=90 cm=0.90 mSpeed, v=250 mm/sMagnetic field when perpendicular to each…
Q: A rectangular loop of area A=0.160 m2 is placed in a region where the magnetic field is…
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Q: A technician wearing a circular metal band on his wrist moves his hand (from a region where the…
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Q: A flexible circular wire expands such that its radius increases linearly with time. It is located in…
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Q: ACTIVITY #2 – PROBLEM-SOLVING A closely wound solenoid of 1,250 turns has an axial length of 98cm…
A: Given: The number of turns is 1250. The leght of the solenoid is 98 cm. The radius of the solenoid…
Q: An MRI technician moves his hand from a region of very low magnetic field strength into an MRI…
A: Initial magnetic field is B1=0 Final magnetic field is B2=2.00 T Diameter of the ring is d=2.03…
Q: Show why the induced current in a wire can only be flowing in a particular direction.
A: Electromagnetic induction is the phenomenon of inducing a current in conductor placed in a varying…
Q: Calculate the value for the change in magnetic field inside the solenoid, the changing flux in the…
A: Given , N=1000 Length=l=40cm=0.4m radius=r=diameter/2=20/2=10cm=0.10m…
Q: Chapter 23: Question 2: An emf is induced by rotating a 1000 turn, 16 cm diameter coil in the…
A: Magnetic flux Φ=NBA.cosθ Change in magnetic flux…
Q: The magnetic flux through a coil of wire containing two loops change from -50 Wb to +37 Wb in 0.42…
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Q: A 2-turn planer loop of flexible wire is placed inside a long solenoid of n turns per meter that…
A: Given that,Number of turns per meter , N=500Current, I0=20AArea, A=20 cm2Permeability of free space,…
Q: According to Faraday's Law, the induced EMF produced is proportional to the rate of charge of the…
A: Pushing a bar magnet into and out of the coil induces an emf in it. In motion in opposite…
Q: An MRI technician moves his hand from a region of very low magnetic field strength into an MRI…
A: initial magnetic field = 0 T final magnetic field = 2 T diameter = 2.2 cm radius = 1.1 cm = 0.011 m…
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