A circular coil is made of 130 turns of wire. The enclosed area of the coil is 9.0 x 10 m². The plane of the coil makes an angle of 30° with a uniform magnetic field of 0.5 T.
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A: Number of turns (n) = 50 Radius (r) = 6.70 cm = 0.067 m angular speed (ω) = 350 revm= 350×2π60 rads=…
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A: Number of turns (N) =100The radius of the coil (r) = 7.50cm = 7.50 x 10-2m = 0.075mResistance (R) =…
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- A coil with 31.2 turns of wire is wrapped on a frame with a square cross section 1.68 cm on a side. Each turn has the same area, equal to that of the frame, and the total resistance of the coil is 0.412 Ω. An applied uniform magnetic field is perpendicular to the plane of the coil, as in the figure below. If the field changes uniformly from 0.000 T to 0.554T in 0.703 s, find the magnitude of the induced current in the coil while the field is changing.A stationary square coil of area 0.1 m2 is brought over time of 2 s into the magnetic field 8.9 T with its plane perpendicular to the magnetic field. The coil has 1030 turns. Calculate the magnetic flux linkage through the coil. Give your answer in SI units.A conducting coil of 2100 turns is connected to a galvanometer, and the total resistance of the circuit is 30 2. The area of each turn is 5.25 x 10-4 m2. This coil is moved from a region where the magnetic field is zero into a region where it is nonzero, the normal to the coil being kept parallel to the magnetic field. The amount of charge that is induced to flow around the circuit is measured to be 8.5 × 10´³C. Find the magnitude of the magnetic field. Number i Units
- A square coil of wire of side 2.95 cm is placed in a uniform magnetic field of magnitude 2.50 T directed into the page as in the figure shown below. The coil has 38.0 turns and a resistance of 0.780 S If the coil is rotated through an angle of 90.0° about the horizontal axis shown in 0.335 s, find the following. Rotation axis x x x x x x x x x x (a) the magnitude of the average emf induced in the coil during this rotation mV (b) the average current induced in the coil during this rotation MAA flat circular coil of 1 cm radius is rotated at 10 revolutions per second about an axis that is perpendicular to a uniform magnetic field of magnitude 2.5 T. How many turns are required in the coil to generate a peak voltage of 750 mV? a) 2 turns b) 5 turns c) 8 turns d) 15 turns e) 20 turnsYou wish to construct a solenoid with a diameter of 2.00 cm that will produce a magnetic field of 6.20 × 10¬2 T at its center when a current of 14.0 A is passing through the coils. You want the resistance of the coil wire to be 5.60 . The resistivity of the wire used is 1.70 x 10-8 N:m (at 20.0°C), and you are using a wire that has a cross sectional area of 3.14 × 10¬8 m². (Note that this solenoid may not necessarily be so tightly wound that the adjacent loops of wire will touch each other. Nonetheless, you may assume that it behaves like an ideal solenoid.) Determine the following. (a) number of turns needed on the solenoid turns (b) length of the solenoid
- A coil has a radius of .351 m and 500 turns. From an original orientation with its plane perpendicular to the direction of a uniform magnetic field, the coil is rotated 1/4 of a revolution in 4.21 ms. Find the magnitude in Tesla, of the magnetic field strength required to induce an average emf of 9.53 kV.A 227-turn circular coil of radius 24 cm is perpendicular to a uniform magnetic field of 0.55 T. During a 0.75 s time interval, this field increases to 1.7 T. If the resistance of the coil is 11.5 ohm, calculate the average emf and current that flows in the coil during this interval. The average emf, Emf = 47.23 V Units V The average current, i = 5.5 x Units AA coil of wire containing four circular loops with radius 0.4 m lies in the plane of the page. A uniform magnetic field points into the page, increasing from 0.4 T to 0.6 T in 0.2 s. Find the magnitude and direction of the emf generated in the coil.
- The slide generator in the figure below is in a uniform magnetic field of magnitude 0.0500 T. The bar of length 0.345 m is pulled at a constant speed of 0.500 m/s. The U-shaped conductor and the bar have a resistivity of 2.75 x 10-8 · m and a cross-sectional area of 8.50 x 10-4 m². Find the current in the generator when x = 0.680 m. (Note that the A in the image below is the area of the loop, not the cross-sectional area of the conductor and bar.) 313600 X Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. A Bulb is unlit. A. B. Bulb is lit. loo F mechA square coil of wire of side 2.35 cm is placed in a uniform magnetic field of magnitude 2.50 T directed into the page as in the figure shown below. The coil has 25.0 turns and a resistance of 0.780 . If the coil is rotated through an angle of 90.0° about the horizontal axis shown in 0.335 s, find the following. x xx x X X X xxx x xx x X Rotation axis (a) the magnitude of the average emf induced in the coil during this rotation mV (b) the average current induced in the coil during this rotation MAA flat circular coil with 153 turns, a radius of 2.46 x 10-² m, and a resistance of 0.597 £ is exposed to an external magnetic field that is directed perpendicular to the plane of the coil. The magnitude of the external magnetic field is changing at a rate of AB/At = 0.743 T/s, thereby inducing a current in the coil. Find the magnitude of the magnetic field at the center of the coil that is produced by the induced current. Number i Units