Aloop of radius r = 3.0 cm is placed parallel to the xy-plane in a uniform magnetic field = 0.75 t . the resistance of the loop is 18 ω. starting at t = 0, the magnitude of the field decreases uniformly to zero in 0.15 seconds. what is the magnitude of the electric current produced in the loop during that time?
a) 0.79 ma
b) 3.9 ma
c) 1.7 ma
d) 2.1 ma
e) 0.20 ma

Atriangle with equal sides of length 10 cm has -2.5-nc charged objects at each corner. part a determine the direction of the electrical force exerted on the object at the top corner due to the two objects at the horizontal base of the triangle. determine the direction of the electrical force exerted on the object at the top corner due to the two objects at the horizontal base of the triangle. horizontally rightward vertically downward vertically upward horizontally leftward