Induced EMF is created when the magnetic flux through the surface of a closed-loop doesn't change. Select one: True False
Q: An MRI technician moves his hand from a region of very low magnetic field strength into an MRI…
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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 prototype of an MRI consists of a set of 400 coils each having a radius of 0.30 m. To test its…
A: V=∆ϕ∆t=NBA∆t=NBπR2∆t=4001.2 T3.140.30 m23.6 s=37.7 V
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A: Diameter, Magnitude of the magnetic field, Time,
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Q: Induced EMF is created when the magnetic flux through the surface of a closed-loop changes. Select…
A: According to Faraday's law of induction, the electromotive force produced in a closed circuit is…
Q: The rate of change of current in coil 1 is di 5 mA/ slence, there's a change of dt magnetic flux in…
A: rate of change of current in coli 1, di1dt=5 mA/s The current change in coil 1 produces a change in…
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Q: A 30-turns coil has a diameter of 14 cm. The coil is placed in spatially uniform magnetic field of…
A: Given that,Number of turns (N) = 30Diameter ofcoil (D) = 0.14 (m)Magnitude of magnetic field (B) =…
Q: An MRI technician moves his hand from a region of very low magnetic field strength into an MRI…
A:
Q: 1. An MRI technician moves his hand from a region of very low magnetic field strength into an MRI…
A: Given: Magnetic…
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Q: A circle wire loop with a radius of 1 m is in a 0.5 T magnetic field. Then over 0.2 seconds it is…
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Q: A 0.200-m wire is moved parallel to a 0.500-T magnetic field at a speed of 1.50 m/s. What emf is…
A: Length, l = 0.200 mField, B = 0.500 TSpeed, v = 1.50 m/sInduced emf, ε = ?
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: A motion EMF system consists of a conductive bar that can freely slide across bare wires in which it…
A: ε=BvLIR=BvLI=BvLR Since the length of the conductive bar is not given, let it be of unit length,…
Q: An emf is induced by rotating a 1000 turn, 19 cm diameter coil in the Earth's 5.00 x 10-5 T magnetic…
A: Given that,Number of turns : N = 1000Diameter : d = 0.19 (m)Radius : r = 0.095 (cm)Magnetic field :…
Q: An MRI technician moves his hand from a region of very low magnetic field strength into an MRI…
A: Initial magnetic field is Bi=0R=1.00 mJ =1.00 mJ×10-3 J1 mJ =10-3 J Final magnetic field is…
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A: Calculate the maximum emf as follows,
Q: True or The SI unit of flux is the tesla while the SI unit of flux density is the weber. True or…
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Q: A technician wearing a circular metal band on his wrist moves his hand (from a region where the…
A: Given: The strength of the initial magnetic field is zero. The strength of the final magnetic field…
Q: )An MRI technician moves his hand from a region of very low magnetic field strength into an MRI…
A: Magnetic field strength 4.40 TDiameter of the ring 2.20 cmTime taken to move into the field: 0.35 s
Q: A charge of 0.5 C moves at a speed of 400 m/s at an angle of 30° to a magnetic field of strength…
A: Given, Charge,q=0.5 C Velocity,v=400 m/s Angle, θ=30° Magnetic field,B=0.5 T
Q: The figure below shows a circular conducting loop in the presence of an outward non-uniform magnetic…
A: Given: The magnetic field is 0.0006t3. The radius of the coil is 4.8 m. The resistance of the coil…
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Q: An emf is induced by rotating a 1000 turn, 19 cm diameter coil in the Earth’s 5.00 × 10-5 T magnetic…
A: Number of turns , N = 1000 Diameter , d = 19 cm = 0.19 m Radius , R = 0.095 m Magnetic field , B = 5…
Q: A straight wire carries a steady current / in a downward direction. A conducting bar touching two…
A: Y os positive and x is negative.
Q: A technician wearing a circular metal band on his wrist moves his hand (from a region where the…
A: Answer :- Given Magnitude of magnetic field (B) = 1.6 T Angle ( theta ) = 450 Diameter of the…
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Q: A 520-turn coil with an area of 0.305 square meters is spun in the Earth's 5.00 x 10-5 tesla…
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Q: ACTIVITY #2 – PROBLEM-SOLVING A closely wound solenoid of 1,250 turns has an axial length of 98cm…
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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: the magnetic field starts with a strength (B) of 50 mT into the paper and it decreases to zero and…
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