AP Physics 2 Midterm exam questions and answers
AP Physics 2 Midterm exam questions and answers 1. Two parallel wires carry a current I in the same direction. Midway between these wires is a third wire, also parallel to the other two, which carries a current 0.5 I but in the direction opposite from the first two wires. In which diAP Physics 2 Midterm exam questions and answers 1. Two parallel wires carry a current I in the same direction. Midway between these wires is a third wire, also parallel to the other two, which carries a current 0.5 I but in the direction opposite from the first two wires. In which direction are the net forces on the outer wires? - Answer>> Since the net forces are zero, there is no direction 2. Solenoid #1 has a length L, cross-sectional area A, and N turns. Solenoid #2 has a length 2L, cross-sectional area 2A, and 2N turns. Which solenoid has the greater magnetic field at its center when equal currents are going through them? - Answer>> Both have the same rection are the net forces on the outer wires? - Answer>> Since the net forces are zero, there is no direction 2. Solenoid #1 has a length L, cross-sectional area A, and N turns. Solenoid #2 has a length 2L, cross-sectional area 2A, and 2N turns. Which solenoid has the greater magnetic field at its center when equal currents are going through them? - Answer>> Both have the same magnetic field
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