A square loop of side 10cm and resistance 0.5N is placed vertically in the east-west plane. A uniform magnetic field of 0.1T is setup across the plane in the north-east direction. The magnetic field is dec reased to zero in 0.70s at a steady rate. Determine the magnitudes of induced emf and current during this time-interval.
Q: A 109 turn circular coil of radius 2.01 cm is immersed in a uniform magnetic field that is…
A:
Q: Calculate, in Tesla squared meters, the magnitude of the change in the magnetic flux. ΔΦ = ______…
A:
Q: Loop diameter is 10 cm. Magnetic field is getting smaller at rate of 2 T/s and is perpendicular to…
A:
Q: A circular coil of radius 12.5 cm is located in a region of magnetic field where B(t) = (+0.3…
A: It is given that,
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: 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
Q: A vertical conducting rod is moving from the right of the page to the left of the page. A magnetic…
A: According to the right-hand rule, if the thumb is placed along the direction of the velocity and the…
Q: A solenoid of length 30 cm and radius 1.4 cm with 350 turns is in an external magnetic field of 800…
A: According to question we need to find magnetic flux and induced emf ?
Q: If an alternator coil is 13 cm in diameter and is spinning at 1150 revolutions per minute in a 0.13…
A: Using Faraday’s law, the emf induced is,
Q: A rectangular coil 0.055m by 0.085m is positioned so that its cross-sectional area is perpendicular…
A:
Q: A 151 turn circular coil of radius 2.23 cm is immersed in a uniform magnetic field that is…
A: number of turns = N = 151 Radius = r = 2.23 cm = 0.0223 m time interval = dt = 0.117 s increase in…
Q: A loop of wire with a radius of 10 cm is in a uniform magnetic field; it is perpendicular to the…
A:
Q: A motional EMF system consists of a conductive bar that can freely slide across bare wires in which…
A: Given Force F=2.3N Resistance R=27.3Ω Speed v=5.5m/s
Q: A circular loop of wire of radius 12.0 cm is placed in a magnetic field directed perpendicular to…
A:
Q: On a clear day at a certain location, the Earth's magnetic field has a magnitude of 0.500 × 10-4 T.…
A: The energy density of a system is defined as the total energy stored in the system per unit volume.…
Q: Suppose coils A and B are in the same constant magnetic field, both with axes of rotation in a plane…
A:
Q: A circular coil of 5 loops of radius 0.43 m is initially in the xy-plane centered on the origin when…
A:
Q: A 145 turn circular coil of radius 2.39 cm is immersed in a uniform magnetic field that is…
A: The number of turns in the coil is The radius of the coil is The initial magnetic field strength is…
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…
Q: A long, cylindrical solenoid with 100 turns per centimeter has a radius of 18.7 cm. If the current…
A:
Q: A coil is constructed from 6.4 m wire wound into circles with a radius of 3.2cm. Find the maximum…
A:
Q: An MRI technician moves his hand from a region of very low magnetic field strength into an MRI…
A:
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 prototype of an MRI consists of a set of 1400 coils each having a radius of 0.20 m. To test its…
A:
Q: Consider a rectangular loop of wire 6.9 cm by 9.0 cm in a uniform magnetic field of magnitude 1.1 T.…
A:
Q: A 2.25 m length of wire is held in an east–west direction and moves horizontally to the north with a…
A: In the following problem, We have a wire of length l held in in east-west direction and moves…
Q: A circular loop of wire with radius of 0.1 meters is placed in a uniform magnetic field that…
A: The problem is asking us to calculate the induced electromotive force (EMF) in a circular loop of…
Q: A 10 cm long wire moves at a constant speed of 4 m/s in a direction that forms a angle of 80° with…
A:
Q: A coil consists of 25 loops of wire and has a diameter of 10 cm. Its resistance is 0.1Ω. At t=0 it…
A:
Q: A circular coil of wire consisting of 200 turns, each with a radius 50 cm, is positioned…
A: Given data: The number of turns is N = 200 The radius is r = 0.5 m The change in magnetic field is…
Q: Given that the time rate of change of magnetic flux through a coil is -5E-2 and the total emf…
A:
Q: A uniform magnetic field makes an angle of 30 degrees with the normal to the surface of a circular…
A: We will first write an expression for magnitude of emf induced in a loop. We then use the given…
Q: A wind turbine generator contains a circular coil that is rotated fully through a 100-turn cycle. If…
A: The expression for the required radius is,
Q: A coil of 15 loops of wire is laying on the table. It experiences an increasing magnetic field going…
A:
Q: A rectangular loop of wire with dimensions 0.1 m by 0.2 m is rotated with an angular speed of60…
A: The problem involves a rectangular loop of wire rotating in a magnetic field. The dimensions of the…
Q: A pickup truck has a width of 79.9 in. If it is traveling north at 36 m/s through a magnetic field…
A:
Step by step
Solved in 3 steps with 3 images
- the magnetic field starts with a strength (B) of 50 mT into the paper and it decreases to zero and ends up changing direction to be 10 mT out of the paper in 2 ms. If a coil of square loops of wire parallel to the plane of the paper that is 10 cm on a side experiences that B change, how many loops must there be to get a total emf of 10 V?An emf of 28.5 mV is induced in a 501 turn coil when the current is changing at a rate of 10.5 A/s. What is the magnetic flux through each turn of the coil at an instant when the current is 4.00 A? (Enter the magnitude.)A prototype of an MRI consists of a set of 600 coils each having a radius of 0.20 m. To test its efficiency a 1.8 T magnetic field oriented perpendicular to the plane of the coils is shut off over a 3.2 second time interval. What is the induced current in the coils? The resistance is 15ohms
- A rectangular coil of 80 turns has dimensions of 34 x 52 cmcm and is located in a uniform 2 TT magnetic field. In 0.9 ss, the plane of the coil is rotated from a position where it makes an angle of 40° with the magnetic field to a position where it makes an angle of 64°. Calculate the average emf induced in the coil.A solenoid with 500 turns and a cross-sectional area of 0.01 m² is placed in a magnetic fieldthat increases from 0 T to 1 T in 4 seconds. Calculate the average induced EMF in the solenoid.An emf is induced by rotating a 1.20×10^3 turn, 23.0 cm diameter coil in the Earth’s 5.00×10^-5 T magnetic field. What average emf is induced, given the plane of the coil is originally perpendicular to the Earth’s field and is rotated to be parallel to the field in 12.0ms?
- (d) Calculate the magnitude of torque (in Nm) exerted by the magnetic field on the coil at the instant when the emf is a maximum. N.m (e) What is the maximum power delivered to the coil (in W)? W (f) What If? If the coil is constructed from aluminum wire, what is the cross-sectional area of the wire (in m²)? The resistivity of aluminum is 2.82 x 10-8 Q. m. m² (g) What If? Suppose the coil now has the same number of turns, dimensions, and resistance, but the maximum current that the wire can now safely carry is 4.50 A. What now is the maximum angular speed (in rad/s) with which the coil can be rotated in the same 2.20 T magnetic field? rad/sA 400 Hz alternating magnetic field produces a 0.5 V rms output from a 10-turn search coil with a diameter of 10 cm. Calculate the peak field flux density.A flat coil of wire consisting of 15 turns, each with an area of 53 cm², is positioned perpendicularly to a uniform magnetic field that increases its magnitude at a constant rate from 3 T to 8 T in 3.4 s. If the coil has a total resistance of 0.3 ohms, what is the magnitude of the induced current in amperes?