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Question #13? CMU Libraries Home x Mail-camolahecnich x Course Materials-PHW x S

ID: 1534860 • Letter: Q

Question

Question #13?

CMU Libraries Home x Mail-camolahecnich x Course Materials-PHW x Spring 2014 sample Exa x C ps //black dt content d 38376823 1/courses/PHY131-17500 Spring%202014%20Sample 20Exams pdl 7500-C10003644 8 16 Spring 2014 Sample Exams.pdf A) 5 W 55 Ohm B) 10 W 5 Ohm 20 W 5 Chm D) 40 W This rircuit E) 80 W 5 Ohm 13, What is the current in the circuit below? 6 V 0.5 Amp 1 Amp Ohm D) 1.5 Amps E) 4 Amps 2 Ohm 4 V 4V 14. How many 100 W light bulbs can you use in a 120 V home circuit before you trip a circuit breaker that "blows" when the current exceeds 15 Amps? A) 5 bulbs B) 9 bulbs 6 bulbs D) 18 bulbs E) 22 bulbs 15, What is the total energy stored on the three capacitors in the circuit bclow? A) 008 J B) 016 J 6 a 4 2.17 PM 2/21/2017

Explanation / Answer

here,

let the current in the circuit be I

using Kirchoff's loop rule

I * ( 2 + 1 + 1) = 4 - 4 + 6

I = 1.5 A

the current in the circuit is D) 1.5 A