A square, single-turn wire loop { = 1.00 cm on a side is placed inside a solenoid that has a circular cross section of radius r = 3.00 cm, as shown in the end view of the figure below. The solenoid is 17.0 cm long and wound with 118 turns of wire. (a) If the current in the solenoid is 3.10 A, what is the magnetic flux through the square loop? T m2 (b) If the current in the solenoid is reduced to zero in 2.95 s, what is the magnitude of the average induced emf in the square loop? V
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- A 500-turn square coil of wire is hinged to the top of a table, as shown in the (Figure 1). Each side of the coil has a length of 0.50 m. Figure W T= 20 Z N•m N 1 ? S Hinge Determine the magnitude of the torque acting on the free end of the coil and caused by a 0.30-T field pointing westward when there is a 0.80-A current through the wire and when the coil is parallel to the table. Express your answer with the appropriate units. Hinge IEA magnetic field of magnitude 0.450 T is oriented perpendicular to the plane of a circular loop. HINT (a) Calculate the loop radius (in m) if the magnetic flux through the loop is 2.90 Wb. m (b) Calculate the new magnetic flux (in Wb) if the loop radius is doubled. WbConsider the following figure. (a) A conducting loop in the shape of a square of edge length = 0.340 m carries a current I = 8.60 A as in the figure above. Calculate the magnitude and direction of the magnetic field at the center of the square. magnitude direction ---Select--- μT (b) If this conductor is reshaped to form a circular loop and carries the same current, what is the value of the magnetic field at the center? magnitude HT direction --Select---
- A stationary square coil of area 0.1 m² is brought into the magnetic field 5.5 T with its plane perpendicular to the magnetic field. The coil has 1363 turns. Calculate the magnetic flux linkage through the coil. Give your answer in Sl units. Answer: Choose...A square loop,10.0cm on a side, is placed aroundthe center of a long solenoid which has 1500 turns of wire per meter. Thediameter of the solenoid is 9.00cm. The square coil has a resistance of 8.00. A cross section of the setup is shown toright. a.Determine the magnitude and the direction of the magnetic field inside the solenoid if it has a current of I=5.00 Amps in the direction shown. b.The initialcurrent through the solenoid is zero, at t =0 the current in the solenoid begins increasing according to the formulaI(t)=C1t2whereC1=5.00Amp/s2. Determine the magnitudeanddirectionof the current in the square coil at a time of .600 seconds.17. A U-shaped wire is bridged by a small metal rod AB of length I, and the distance of the rod from the left end of wire is a at initial moment t=0 as indicated in the right figure. A uniform magnetic field is directed into of page. Now move the rod at constant velocity y to the right as indicated.(a) Calculate the magnetic flux through the loop formed by the wire and rod at any instant t. (b) Find the emf induced in the loop as the rod is moving. (c) Indicate the direction of the current induced in the loop. O wire 8 Al -rod t30
- Can you help with subquestions 9a and 9b 9a. A very long solenoid with a circular cross section and radius r= 5.10 cm with n= 1.10E+4 turns/m has a magnetic energy density uB= 6.60 mJ/m3. What is the current in the solenoid? 9b. What is the total energy stored in the solenoid if its length is 0.620 meters? (Neglect end effects.) This is not and will not be gradedThe figure below shows a top view of a bar that can slide on two frictionless rails. The resistor is R = 5.60 0, and a 2.50-T magnetic field is directed perpendicularly downward, into the page. Let { = 1.20 m. Bin R app (a) Calculate the applied force required to move the bar to the right at a constant speed of 2.30 m/s. N (to the right) (b) At what rate is energy delivered to the resistor? WThe figure below shows a top view of a bar that can slide on two frictionless rails. The resistor is R = 5.00 N, and a 2.50-T magnetic field is directed perpendicularly downward, into the page. Let l = 1.20 m. x Pin B, R app (a) Calculate the applied force required to move the bar to the right at a constant speed of 1.70 m/s. 3.06 N (to the right) (b) At what rate is energy delivered to the resistor? 5.202 W Need Help? Read It Master It xx x x x x x x × x x x x × × X X X x X X X