ECU Physics 1260 Exam 2 Latest Questions and Verified Answers 2025

ECU Physics 1260 Exam 2 Latest Questions and Verified Answers 2025 When two lamps are connected in SERIES to a battery, the electrical resistance that the battery "senses" is A) more than the resistance of either lamp. B) less than the resistance of either lamp. C) [none of these] - Correct Answer A) more than the resistance of either lamp. SERIES: Req = R1 + R2 *Req (equivalence) goes up, then the I (current) goes down* When two lamps are connected in PARALLEL to a battery, the electrical resistance that the battery "senses" is A) more than the resistance of either lamp. B) less than the resistance of either lamp. C) [none of these] - Correct Answer B) less than the resistance of either lamp. PARALLEL: Req = (1/R1 + 1/22)^-1 *Req (equivalence) goes down, then the I (current) goes up* On some early automobiles both headlights failed when one bulb burned out. The headlights were likely connected in A) parallel. B) perpendicular. C) series. D) haste. - Correct Answer C) series.