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10. A wire is wrapped around a nail. If you are looking at the point of the nail the current is flowing in a clockwise direction, which end of the nail is the N-pole of the electromagnet created? (a) head (b) point [c] the middle of the nail

10. A wire is wrapped around a nail. If you are looking at the point of the nail the current is flowing in a clockwise direction, which end of the nail is the N-pole of the electromagnet created? (a) head (b) point [c] the middle of the nail

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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### Physics Multiple Choice Questions **9. A Volt is a unit of:** [a] voltage [b] resistance [c] current [d] power **10. A wire is wrapped around a nail. If you are looking at the point of the nail the current is flowing in a clockwise direction, which end of the nail is the N-pole of the electromagnet created?** [a] head [b] point [c] the middle of the nail **11. The reason a baseball player follows through when hitting the ball is to:** [a] increase the force of the bat [b] increase the impulse of the ball [c] increase the momentum on the ball **12. Electrical appliances, lights, and the like in our homes are connected in:** [a] series [b] parallel [c] both in series and in parallel **13. When resistors are put in series with each other, their overall resistance is:** [a] larger than that of any individual resistor [b] the same as the average resistance of the resistors [c] smaller than the resistance of any of the resistors individually **14. What is the force on an electron traveling South at 3500 m/s through a 3T magnetic field directed north.** [a] 0 N [b] 1.68 N [c] 1.68 x 10^-15 N **15. According to Ohm's law (by definition):** [a] P = IR [b] V = I / R [c] V = IR [d] R = IV **16. A rifle is fired and a 0.2 kg bullet is released at a velocity of 300 m/s. What is the recoil velocity of the gun? (What is the best setup in order to solve this problem?)** [a] m1v1i = m1v1f + m2v2f [b] m1v1i = m2v2f [c] 0 = m1v1f + m2v2f [d] F.t = mΔv **17. If a bicycle and a more massive parked car have a head-on collision, the force of impact is:** [a] equal for the bicycle and car [b] greater for the bicycle [c] greater for the car **18. What is the resistance of a toaster that uses
Transcribed Image Text:### Physics Multiple Choice Questions **9. A Volt is a unit of:** [a] voltage [b] resistance [c] current [d] power **10. A wire is wrapped around a nail. If you are looking at the point of the nail the current is flowing in a clockwise direction, which end of the nail is the N-pole of the electromagnet created?** [a] head [b] point [c] the middle of the nail **11. The reason a baseball player follows through when hitting the ball is to:** [a] increase the force of the bat [b] increase the impulse of the ball [c] increase the momentum on the ball **12. Electrical appliances, lights, and the like in our homes are connected in:** [a] series [b] parallel [c] both in series and in parallel **13. When resistors are put in series with each other, their overall resistance is:** [a] larger than that of any individual resistor [b] the same as the average resistance of the resistors [c] smaller than the resistance of any of the resistors individually **14. What is the force on an electron traveling South at 3500 m/s through a 3T magnetic field directed north.** [a] 0 N [b] 1.68 N [c] 1.68 x 10^-15 N **15. According to Ohm's law (by definition):** [a] P = IR [b] V = I / R [c] V = IR [d] R = IV **16. A rifle is fired and a 0.2 kg bullet is released at a velocity of 300 m/s. What is the recoil velocity of the gun? (What is the best setup in order to solve this problem?)** [a] m1v1i = m1v1f + m2v2f [b] m1v1i = m2v2f [c] 0 = m1v1f + m2v2f [d] F.t = mΔv **17. If a bicycle and a more massive parked car have a head-on collision, the force of impact is:** [a] equal for the bicycle and car [b] greater for the bicycle [c] greater for the car **18. What is the resistance of a toaster that uses
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