A 5-turn square loop (10 cm along a side, resistance = 4.0 2) is placed in a magnetic field that makes an angle of 30° with the plane of the loop. The magnitude of this field varies with time according to B= 0.50P, where t is measured in s and B in T. What is the induced current in the coil at t=4.0?
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with the plane of the loop. The magnitude of this field varies with time according to B= 0.50P, where t is measured in
s and B in T. What is the induced current in the coil at t=4.0?"
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- A square, single turn coil of length 0.02m is placed with its plane perpendicular to a constant magnetic field. An emf of 18mV is induced in the windings of the coil when the area of the coil decreases at a rate of 0.10m^2/s. What's the magnitude of the magnetic field?Time left 1:15:1 A 40 turn circular coil (radius = 4.0 cm, total resistance = 0.20 0) is placed in a uniform magnetic field directed perpendicular to the plane of the coil. The magnitude of the magnetic field varies with time as given by B 95 sin(10 Tt) mT where t is measured in s. What is the magnitude of the induced current in the coil at 0.07 s? O a. 1.76 A O b. 3.05 A O c. 1.49 A O d. 2.42 A e. 0 A Next page Introduction to Phys102A single loop of steel wire, lying flat in a plane, has an area of 7.80 cm² and a resistance of 1.80 . A uniform magnetic field points perpendicular to the plane of the loop. The field initially has a magnitude of 0.500 T, and the magnitude increases linearly to 1.50 T in a time of 1.12 s. What is the induced current (in mA) in the loop of wire over this time? mA
- A single loop of aluminum wire, lying flat in a plane, has an area of 7.80 cm2 and a resistance of 1.50 N. A uniform magnetic field points perpendicular to the plane of the loop. The field initially has magnitude of 0.500 T, and the magnitude increases linearly to 2.00 T in a time of 1.12 s. What is the induced current (in mA) in the loop of wire over this time? 0.58A triangle with equal 2 meters sides experiences a magnetic field with strength 2T exactly perpendicular to the wire. This small circuit also contains a resistor with a resistance measured at 2 ohms on one of these sides. If the magnetic field increases to 13.2 teslas over a 4.8 seconds, what is the induced current?A strong electromagnet produces a uniform magnetic field of 1.60 T over a cross-sectional area of 0.270 m2. A coil having 190 turns and a total resistance of 21.0 0 is placed around the electromagnet. The current in the electromagnet is then smoothly reduced until it reaches zero in 20.0 ms. What is the current induced in the coil?
- A single circular loop of wire of radius 0.25m is positioned in a uniform magnetic field of 0.25T that points out of the page. What is the magnitude of the average EMF induced in the loop if it's orientation changes from being in the plane of the page to out of/into the page over a time period of 0.59seconds?A 0.300 mm diameter copper wire makes up a 85.0 turns, 7.90 cm diameter coil. There is a magnetic field parallel to the axis of the coil. If the induced current in the coil is 4.80 A, what is the rate of change of the magnetic field? 58.5 T/s 4.97×103 T/s 3.20×10-6 T/s 0.222 T/sA single loop of copper wire, lying flat in a plane, has an area of 9.00 cm2 and a resistance of 2.10 Ω. A uniform magnetic field points perpendicular to the plane of the loop. The field initially has a magnitude of 0.500 T, and the magnitude increases linearly to 3.00 T in a time of 1.06 s. What is the induced current (in mA) in the loop of wire over this time?
- A single loop of copper wire, lying flat in a plane, has an area of 7.40 cm2 and a resistance of 1.80 Ω. A uniform magnetic field points perpendicular to the plane of the loop. The field initially has a magnitude of 0.500 T, and the magnitude increases linearly to 3.00 T in a time of 1.06 s. What is the induced current (in mA) in the loop of wire over this time?A wire loop with an area equal to 0.05 m² moves in a generator where the magnetic field is 0.40 T. At time, t=0, The area is position perpendicular (maximum flux) to the magnetic field and at time t= 0.08 s the area is parallel (zero flux) with the field. The resistance of the loop is 6ohms. What is the average induced current in the loop during this time?A circular coil of radius 5.0 cm and resistance 0.20 Ω is placed in a uniform magnetic field perpendicular to the plane of the coil. The magnitude of the field changes with time according to B =50e-0.2tT. What is the magnitude of the current induced in the coil at the time t = 2.0 s? Answer: 2.6 mA