Physics 30S Final Exam Review-2.pdf

Physics 40S RRSD Final Exam – June 2005 Page 1039. An ammeter is connected in ____ and a voltmeter is connected in ____.a) parallel, parallel b) parallel, seriesc) series, parallel d) series, series40. In a step-up transformer, the primary voltage is _______ the secondary voltage.a) equal to b) greater thanc) less than d) need more info to answer41. A bar magnet is dropped through a solenoid as shown. If the current flows inthe indicated direction, which of the following statements is true?a) A is the south pole of the magnet.b) A is the north pole of the magnet.c) A could be either pole of the magnet.d) It is impossible to have the current flowing in thisdirection if the magnet is falling42. A portion of the graph of an AC current source is shownto the right. What is the effective voltage?a) 10 V b) 14 Vc) 28 V d) 40 V43. During the transmission of energy, the amount of power lost can be reduced bydecreasing _____and increasing ______.a) voltage, current b) resistance, currentc) current, voltage d) current, resistance