Assuming that the force the magnetic field exerts on the loop is negligible, what is the current (in Ampere) in the loop at the moment of impact with the ground? Use g = 10 m/s².
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- See the attached figure for this problem. A charge of 8.70 x 10^6 C moves to the right as shown through a region containing both a magnetic field of strength 3.94 T directed into the screen and an electric field of strength 7.71 x 10^5 N/C directed downward. The charge continues through the region at a constant velocity (no acceleration). What is the charges speed? 1.96E+05 m/s 1.37E+05 m/s 1.18E+05 m/s 1.96E+04 m/sThe magnetic flux though a coil of wire that has 70 turns is changing at a rate of 0.030 Tm^2/s. What is the magnitude of the voltage generated across the ends of the wire loop?The area of a 200 turn coil is 0.02 m². The resistance of the coil is 64 2. If the coil is oriented with its surface perpendicular to a magnetic field B, at what rate in T/s should the magnitude of B change to induce a current of 0.25 A in the coil? 320 T/s 800 T/s 4 T/s 2 T/s 0.5 T/s
- You have a closed square loop of wire with length 44cm and a resistance of 750Ω. If there is a magnetic field of strength 0.2T going perpendicular through the loop at what rate (in T /s) does the magnetic field have to change in order to have a current of 0.2A through the loop?Consider a straight conductor of length 9.7 cm. The conductor moves at right angles to a magnetic field of uniform strength B = 10-3 T generating e.m.f. of 2.5 × 10-³ V. Calculate the velocity of the straight conductor. Give your answer in SI units. Answer: Choose... +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 clockwise