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16. To generate a uniform 2T magnetic field for an MRI machine with a coil of...
6. An solenoid in an MRI machine produces an axial magnetic field of 3.5 T. If...
6. An solenoid in an MRI machine produces an axial magnetic field of 3.5 T. If the length of the MRI is 1.4 m and it is wound with 800 turns of wire, what current is needed to produce this field?
A 24.0-cm diameter coil consists of 45 turns of circular copper wire 3.0 mm in diameter....
A 24.0-cm diameter coil consists of 45 turns of circular copper wire 3.0 mm in diameter. A uniform magnetic field, perpendicular to the plane of the coil, changes at a rate of 7.85×10−3 T/s . The resistivity of copper is 1.68×10−8Ω⋅m. Determine the current in the loop. (Express your answer to two significant figures and include the appropriate units.) Determine the rate at which thermal energy is produced. (Express your answer to two significant figures and include the appropriate units.)
A 24.0-cm diameter coil consists of 45 turns of circular copper wire 3.0 mm in diameter....
A 24.0-cm diameter coil consists of 45 turns of circular copper wire 3.0 mm in diameter. A uniform magnetic field, perpendicular to the plane of the coil, changes at a rate of 7.85×10−3 T/s .The resistivity of copper is 1.68×10−8Ω⋅m. a) Determine the current in the loop. (Express your answer to two significant figures and include the appropriate units.) b) Determine the rate at which thermal energy is produced.(Express your answer to two significant figures and include the appropriate units)
The maximum torque experienced by a coil in a 7.00 times 10^-3 T magnetic field is...
The maximum torque experienced by a coil in a 7.00 times 10^-3 T magnetic field is 0.60 N.m. The coil is circular and consists of seven turns. The current in the coil is 7.90 A. What is the length of the wire from which the coil is made? m
A generator almost always contains a coil of wire inside a magnetic field. The coil shown...
A generator almost always contains a coil of wire inside a magnetic field. The coil shown below has N turns and a radius of R. It is rotating in a magnetic field of strength B at an angular frequency o. This means that the angle between the area vector of the coil and the magnetic field is = wt. х a. What is the induced emf in the coil as a function of time? b. If the left side of...
A 22.0-cm-diameter coil consists of 30 turns of circular copper wire 2.8 mm in diameter. A...
A 22.0-cm-diameter coil consists of 30 turns of circular copper wire 2.8 mm in diameter. A uniform magnetic field, perpendicular to the plane of the coil, changes at a rate of 9.35×10−3 T/s . The resistivity of copper is 1.68×10−8Ω⋅m. Determine the current in the loop. Determine the rate at which thermal energy is produced.
A square coil of wire of side 3.80 cm is placed in a uniform magnetic field...
A square coil of wire of side 3.80 cm is placed in a uniform magnetic field of magnitude 2.00 T directed into the page as in the figure shown below. The coil has 30.5 turns and a resistance of 0.780 2. If the coil is rotated through an angle of 90.00 about the horizontal axis shown in 0.335 s, find the following. Rotation axis X X X (a) the magnitude of the average emf induced in the coil during this...
The maximum torque experienced by a coil in a 8.00 × 10-3 T magnetic field is...
The maximum torque experienced by a coil in a 8.00 × 10-3 T magnetic field is 0.70 N.m. The coil is circular and consists of three turns. The current in the coil is 9.10 A. What is the length of the wire from which the coil is made?
The magnetic field of a proton is relatively close to that of a circular current loop...
The magnetic field of a proton is relatively close to that of a circular current loop 0.650 times 10^-15 m in radius carrying 1.05 times 10^4 A. An MRI machine is required to be able to manipulate these fields. To see why an MRI utilizes iron to increase the magnetic field generated by a coil, calculate the current needed in a 400 loop-per-meter circular coil 0.660 m in radius to generate a 1.20 T field (typical of an MRI instrument)...
You have a 5 meter length of copper wire. The diameter of the wire is 0.5 mm Copper has a resisti...
You have a 5 meter length of copper wire. The diameter of the wire is 0.5 mm Copper has a resistivity of p = 1.70*10^-18 ohms at room temperature. A) What is the resistance of the wire? B)Suppose you connect the wire to a battery, and shape the circuit to one circular loop. Sketch what the magnetic field looks like in this scenario. Include direction of current. C) What is the magnetic field at the center of the loop. The...
6. An solenoid in an MRI machine produces an axial magnetic field of 3.5 T. If the length of the MRI is 1.4 m and it is wound with 800 turns of wire, what current is needed to produce this field?
The maximum torque experienced by a coil in a 7.00 times 10^-3 T magnetic field is 0.60 N.m. The coil is circular and consists of seven turns. The current in the coil is 7.90 A. What is the length of the wire from which the coil is made? m
A generator almost always contains a coil of wire inside a magnetic field. The coil shown below has N turns and a radius of R. It is rotating in a magnetic field of strength B at an angular frequency o. This means that the angle between the area vector of the coil and the magnetic field is = wt. х a. What is the induced emf in the coil as a function of time? b. If the left side of...
A square coil of wire of side 3.80 cm is placed in a uniform magnetic field of magnitude 2.00 T directed into the page as in the figure shown below. The coil has 30.5 turns and a resistance of 0.780 2. If the coil is rotated through an angle of 90.00 about the horizontal axis shown in 0.335 s, find the following. Rotation axis X X X (a) the magnitude of the average emf induced in the coil during this...
The magnetic field of a proton is relatively close to that of a circular current loop 0.650 times 10^-15 m in radius carrying 1.05 times 10^4 A. An MRI machine is required to be able to manipulate these fields. To see why an MRI utilizes iron to increase the magnetic field generated by a coil, calculate the current needed in a 400 loop-per-meter circular coil 0.660 m in radius to generate a 1.20 T field (typical of an MRI instrument)...
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