B) A rectangular coil of wire with sides 12.0 cm and 17.0 cm is positioned so that its plane is parallel to a 14.0 mT magnetic field. If the coil turns so that its plane makes an angle of 60.0° with the field, what is the change in flux?
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- Q9.3 In the given diagram, a conducting bar lies on two smooth rails that are linked through a 1.50 resistor. A 0.750 T magnetic field is applied in a vertically upward direction, perpendicular to the plane of the rails. The bar is compelled to move at a constant pace of 60.0 cm/s in the direction of the resistor. Assuming that the resistance of the bar and rails is negligible, find out: BOUT 5.0cm a. the direction and value of the induced current. b. The magnitude of the applied force c. the amount of power dissipated in the resistor. →→→→60.0cm/s 1.50 2= 220 mA lying along the X-axis with the Suppose you have one wire with ij current flowing in the negative X direction, and another wire with i2 = 360 mA lying along the y-axis with the current flowing in the positive y direction. What is the magnitude of the magnetic field at (x, y) = (2.0cm, 2.0cm)? O 2.2 x 10-6 T O3.9 x 10-6 T O1.4 x 10-6 T O 3.6 x 10-6 T 5.8 × 10-6 TI need help with this question. Thanks!
- The component of the external magnetic field along the central axis of a 33 turn circular coil of radius 27.0 cm decreases from 1.90 T to 0.400 T in 2.90 s. If the resistance of the coil is R = 6.00 52, what is the magnitude of the induced current in the coil? magnitude: What is the direction of the current if the axial component of the field points away from the viewer? counter-clockwise O clockwiseC 12:52 HW8_60e193652a3a1c9d2d... 2. 2 of 4 SOS Done The 5.2 m long metal rotor blades of a helicopter spin at 6.0 revolutions per second perpendicular to the earth's magnetic field of 4.7x10 T. Axis What is the magnetic flux swept out by the rotor blades in one revolution and what is the emf induced between the axis and tip of a rotor blade? 3. In a CRT electrons are accelerated from rest by a potential difference of 1.40x10'V These electrons enter a magnetic field with a strength of 2.20x102 T Assuming the electrons are traveling perpendicular to the field what id the radius of the are of the deflected electrons?A wire along the y-axis carries current in the +y-direction. An experimenter would like to arrange a second wire parallel to the first wire and crossing the x-axis at the coordinate x = 2.0 m so that the total magnetic field at the coordinate x = 1.0 m is zero. In what direction must the current flow in the second wire, assuming it is equal in magnitude to the current in the first wire? Explain.
- A circular loop of wire has an area of 0.30 m2m2 . It is tilted by 50 degrees with respect to a uniform 0.43 TT magnetic field. What is the magnetic flux through the loop? A) 8.3×10−2 T⋅m2T⋅m2 B) 0.15 T⋅m2T⋅m2 C) 0.33 T⋅m2T⋅m2 D) 0.78 T⋅m2T⋅m2 E) 1.5 T⋅m2T⋅m2A current of 8.0 A circulates through a coil containing 200 turns of 1.5 m in diameter. a) Present the data appropriately and draw the outline of the situation described b) Find the magnetic field at a point along the coil 0.5 m from the center. c) Along the axis, at what distance from the center is the magnetic field five times smaller to the magnitude that it has in the center?