10 2.0 cm 1 cm 1 cm 1 cm Figure 8: 8. The magnetic field inside a conducting wire of radius 2.00cm, shown in Figure 8, is decreasing at a rate of 0.120 T/s. The resistance of the wire is 8.50 x 10-32. (a) What is the magnitude and direction of the induced current in the loop? (b) What is the magnitude and direction of the electric field at point a? (c) What is magnitude and direction of the force on a proton at point d?
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- A magnetic field directed into the page changes with time according to B = 0.037 ot² + 1.40, where B is in teslas and t is in seconds. The field has a circular cross section of radius R = 2.50 cm (see figure below). xxxxx xxxxx ****** * I xxx 1 19/ x Rx xxxxx х х xxxxxx x xxxxx Bin P₁ (a) When t = 4.20 s and r₂ = 0.020 0 m, what is the magnitude of the electric field at point P₂? N/C (b) When t = 4.20 s and r₂ = 0.020 0 m, what is the direction of the electric field at point P2? O perpendicular to r₂ and counterclockwise O into the page O perpendicular to r₂ and clockwise O out of the pageIf I have a magnetic field pointing upwards with magnitude 8 T, what is the magnetic flux through a closed loop of wire which is 2 m x 3 m? The plane is at a 30 degree angle with the xy plane. 0 Tm2 24 Tm2 48 Tm2 41.56 Tm2Problem 4. A magnetic field directed into the page changes with time according to B = 2.0t³ - 4.0ť² + 3.0, where B is in tesla and t is in seconds. The field has a circular cross section of radius R = 2.5 cm (see figure below). (a) When t= 1.00 s and r₁= 5.0 cm, what are the magnitude and the direction of the electric field at point P₁? (b)When t = 2.00 s and r2 = 2.0 cm, what are the magnitude and the direction of the electric field at point P₂? xxxxx xxxxx xxxx** ** xxx T97 xxx R x xxxxx ****** xxxxx Bin n P₁
- 5. A rectangular loop of wire (length L-13.0 cm and width W=7.80 cm) is moving as shown in the drawing with a speed of 1.00 m/s. The loop is leaving a region in which a 2.80 T magnetic field exists; the magnetic field outside this region is zero. During a time of 0.13 s, what is the magnitude of the change in the magnetic flux? X 0.0284Wb 109 33.269 80 F2 ост 11 Q F5 F5 XXXX XXXXXXX XXXXXXXXX XXXXXxxxxx XXXXXxxxx X: x x x x x xxxx XXXXXXXXX F6 tv MacBook Air & С F6 A AA F7 DII F8 V DII FB СС F9 A F9 Show my other submissions 9 F10 W . F10 d) F11 P 4 F11 F12The figure below shows two wires carrying currents of I = 5.20 A in opposite directions, separated by a distance d. Assume d = 9.2 cm. P, 2d· (a) Find the magnitude (in µT) and direction of the net magnetic field at a point halfway between the wires. magnitude HT direction ---Select--- (b) Find the magnitude (in µT) and direction of the net magnetic field at point P,, 9.2 cm to the right of the wire on the right. magnitude µT direction ---Select--- (c) Find the magnitude (in µT) and direction of the net magnetic field at point P,, 2d = 18.4 cm to the left of the wire on the left. magnitude µT direction ---Select--- (d) What If? Repeat parts (a) through (c) for the case where both wires carry currents in the same direction, upward in the figure. Find the magnitude (in µT) and direction of the net magnetic field at a point halfway between the wires. magnitude µT direction ---Select---A surface of area 50 cm ^2 is placed perpendicular to a magnetic field of strength 0.85T. The magnetic flux passing through the circuit will be * 5 x10 ^-3weber 4.25x 10^-3 weber 2.25x 10^ +3 weber 6.25x 10^+3 weber
- A 20 turn circular loop with diameter 3 cm is placed in a magnetic field of strength 7 T such that the loop’s area vector is parallel to the magnetic field. The magnetic field is reduced to 0 T over some time and this generates a constant voltage of 5 V. How long did it take for the magnetic field to reduce to 0? 3.23 s 15.32 s 0.0198 s 0.0389 s None of the above71.70 x 104 - m In 1996, NASA performed an experiment called the Tethered Satellite experiment. In this experiment, a length of wire was let out by the space shuttle Atlantis to generate a motional emf. The shuttle had an orbital speed of 7.70 x 10³ m/s, and the magnitude of the earth's magnetic field at the location of the wire was 5.10 x 10-5 T. If the wire had moved perpendicular to the earth's magnetic field, wat would have been the motional emf generated between the ends of the wire? Gr C
- A magnetic field directed into the page changes with time according to B = 0.031 ot² + 1.40, where B is in teslas and t is in seconds. The field has a circular cross section of radius R = 2.50 cm (see figure below). xxxx vPg xxx xxx xxxx x Rx Bin P₁ (a) When t = 4.80 s and r₂ = 0.020 0 m, what is the magnitude of the electric field at point P₂? 0.00030 X Your response is off by a multiple of ten. N/C (b) When t = 4.80 s and r₂ = 0.020 0 m, what is the direction of the electric field at point P₂? perpendicular to r₂ and counterclockwise O into the page O out of the page. O perpendicular to ₂ and clockwiseA 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⋅m2