Part A A loop of wire moves with a velocity of 3.0 m/s through a magnetic field whose strength decreases with distance at a rate of 9.0 μT/m. If the loop has an area of 0.75 m² and internal resistance of 0.58 2, what is the current in the wire? Express your answer with the appropriate units. I = Submit Request Answer
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- A very long, straight wire carries a current of 38 A in the +k direction. An electron 2.4 cm from the center of the wire in the i direction is moving with a speed of 6.82 x 106 m/s. Find the force on the electron when it moves in the following directions. 1) directly away from the wire NÎ Submit You currently have 0 submissions for this question. Only 10 submission are allowed. You can make 10 more submissions for this question. 2) NĴ Submit You currently have 0 submissions for this question. Only 10 submission are allowed. You can make 10 more submissions for this question. 3) NK Submit You currently have 0 submissions for this question. Only 10 submission are allowed. You can make 10 more submissions for this question. 4) parallel to the wire in the direction of the current Ni Submit You currently have 0 submissions for this question. Only 10 submission are allowed. You can make 10 more submissions for this question. 5) NĴ Submit You currently have 0 submissions for this question.…In a physics laboratory experiment, a coil with 200 turns enclosing an area of 11.4 cm² is rotated in a time interval of 3.30x10-2 s from a position where its plane is perpendicular to the earth's magnetic field to one where its plane is parallel to the field. The earth's magnetic field at the lab location is 6.2x10-5 T. Part A What is the total magnetic flux through the coil before it is rotated? Express your answer using two significant figures. 15. ΑΣΦ ? P₁ = Submit Wb Request Answer Part B What is the total magnetic flux through the coil after it is rotated? Express your answer using two significant figures. 15. ΑΣΦ Sve ? WbA metal detector with two coils (an exciter and a detector) is an example of an active detection system. Suppose a metallic coin (which is non-magnetic on its own, but can have a magnetic field induced by an exciter coil) is lost under the sand at the beach. Part A The exciter coil would use electric current. The detector coil will detect a signal from the lost coin under the sand because $E - al = an AC, at O an AC, $B · Əl = µo(I + e, E) at a DC, at $B· al = µo(1 + €o a DC, at
- To construct a solenoid, you wrap insulated wire uniformly around a plastic tube 8.9 cm in diameter and 45 cm in length. You would like a 3.2 AA current to produce a 2.6 kGkG magnetic field inside your solenoid. Part A What is the total length of wire you will need to meet these specifications? Express your answer using two significant figures.A 31.0-cm long solenoid 1.25 cm in diameter is to produce a field of 4.60 mT at its center. Part A How much current should the solenoid carry if it has 945 turns of the wire? Express your answer using three significant figures and include the appropriate units. I= μà Value Submit Request Answer Units ?C The figure shows a rectangular loop of wire that straddles three regions of uniform magnetic field. With B in teslas and time in seconds, the fields are B₁-3, B₂-4t, B3-6. The dimensions are L-2.0m and d-2.0m. The circuit includes an ideal battery of 12 V. What is the magnitude of the net emf (V) in the loop? OB, ⓇB₂ ⓇB₂
- Attached is question.A 40.0 cm -long solenoid 1.35 cm in diameter is to produce a field of 0.320 mT at its center. Part A How much current should the solenoid carry if it has 800 turns of wire? I= AA simple generator has a square armature 9.0 cm on a side. The armature has 95 turns of 0.59-mm-diameter copper wire and rotates in a 0.800-T magnetic field. The generator is used to power a lightbulb rated at 12.0 V and 25.0 W. Part A At what rate should the generator rotate to provide 12.0 V to the bulb? Consider the resistance of the wire on the armature.
- A coil has 180 turns enclosing an area of 10.4 cm². In a physics laboratory experiment, the coil is rotated during the time interval 0.046 s from a position in which the plane of each turn is perpendicular to Earth's magnetic field to one in which the plane of each turn is parallel to the field. The magnitude of Earth's magnetic field at the lab location is 5.00×10-5 T. Part A What is the magnitude of the magnetic flux through one turn of the coil before it is rotated? Express your answer in webers. View Available Hint(s) initial Submit Part B |final = = Submit —| ΑΣΦ = What is the magnitude of the magnetic flux through one turn of the coil after it is rotated? Express your answer in webers. ► View Available Hint(s) ΠΙ ΑΣΦ ? Wb ? WbThe magnetic field at the earth's surface can vary in response to solar activity. During one intense solar storm, the vertical component of the magnetic field changed by 2.8 μT per minute, causing voltage spikes in large loops of the power grid that knocked out power in parts of Canada. Part A What emf is induced in a square 180 km on a side by this rate of change of field? Express your answer with the appropriate units. E = Submit μA Value Provide Feedback Request Answer Units ? Review | Constants | Periodic Table Next >A long, cylindrical conductor of radius has two cylindrical cavities each of diameter through its entire length. A current is directed out of the page and is uniform through a cross section of the conducting material. Find the magnitude and direction of the magnetic field in terms of and at .point P1 .point P2