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In the figure, two circular arcs have radii a = 14.6 cm and b = 10.8 cm, subtend angle 0 = 77.09, carry current i = 0.339 A, and share the same center of curvature P. What are the (a) magnitude and (b) direction (into or out of the page) of the net magnetic field at P? (a) Number i Units v (b) VIn the figure, a particle moves along a circle in a region of uniform magnetic field of magnitude B = 3.3 mT. The particle is either a proton or an electron (you must decide which). It experiences a magnetic force of magnitude 3.1 x 10-15 N. What are (a) the particle's speed, (b) the radius of the circle, and (c) the period of the motion? OB (a) Number Units (b) Number i Units (c) Number UnitsThe charges and coordinates of two charged particles held fixed in an xy plane are q1 = 2.10 JC, x1 = 5.29 cm, y1 = 0.937 cm and q2 = -4.41 HC, x2 = -2.58 cm, y2 = 2.45 cm. Find the (a) magnitude and (b) direction (with respect to +x-axis in the range (-180;180]) of the electrostatic force on particle 2 due to particle 1. At what (c) x and (d) y coordinates should a third particle of charge q3 = 4.21 UC be placed such that the net electrostatic force on particle 2 due to particles 1 and 3 is zero? (a) Number Units (b) Number Units (c) Number Units (d) Number i UnitsThermal energy is produced in a resistor at a rate of 108 W when the current is 4.23 A. What is the resistance? Number Units