Question

Two long straight wires of 2.0 m length are parallel and 10 cm apart. PLEASE ANSWER ALL 5, 6, 7, 8 and 9!

Two long straight wires of 2.0 m length are parallel and 10 cm apart. They are to carry equal currents such that the magnetic field at a point halfway between them has a magnitude of 500 T. (a) How much current is needed to produce 5 such field? (b) Determine the magnitude of the force exerted by each wire on the other? (10 41 x 107 T.m/A) 6. For the circuit shown below. (a) what is the equivalent capacitance? (b) What is the charge on each capacitor? 3.0F 12 V 5.0 uF 1.0 uF 7. For the circuit below, E 90 V, R = 100 12, and C - 10.0 F. The switch is closed att -0. (a) What is the time constant of this circuit? (b) What charge will the capacitor have a long time after the switch is closed? (c) At what time will the charge on the capacitor be 80% of the value you found in part (b)? (a) Switch closes at Os. 8. The figure below shows a displacement versus time graph of the periodic motion of a 3.8-kg mass on a spring. (a) At what time between t=0 and t = 6 s does the mass have a maximum speed? Calculate the maximum speed. (b) At what time between 0 and t = 6 s does the mass have maximum acceleration? Calculate the maximum acceleration. (c) How much energy is stored in this system? NA 9. Sound 1 has an intensity of 38.0 W/m.. Sound 2 has an intensity level that has 2.5 dB greater than the intensity level of sound 1. What is the intensity of sound 27

Answer 1

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5 L=2m ; B= 500 MT = 500 plotti Distance of the point from each wine ar d = 10cm = 5cm= 0.05 m Field due to coment carrying wine is given by. MI 2 Mol Tas Past Bit Bit to one M 217 Mo Ir. t(0.05) -) (500 x16") = (GTXU & I-162 :SA] 'Maxilo-?) (62.592 (2) I M. I, I, l Mo I²L - MAX - 10 1015625 m 3) (0.10) 211