Quiz_3-A - PHYSICS 1B QUIZ #3 FALL QUARTER 2005 A YOUR NAME...

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PHYSICS 1B QUIZ #3 FALL QUARTER 2005 A YOUR NAME _________________________________________________________________ YOUR UCSD STUDENT IDENTIFICATION NUMBER________________________________ INSTRUCTIONS: THERE ARE 10 QUESTIONS ON THIS QUIZ. PLEASE FILL IN THE SCANTRON FORM USING A NUMBER 2 PENCIL. PUT YOUR NAME AND THE IDENTIFICATION NUMBER YOU WERE ASSIGNED IN THE SPACES ABOVE. NO NOTES CELL PHONES, LAPTOPS ETC ALLOWED. CALCULATORS ARE OK. Note: Any confirmed case of cheating will result in an “F” grade in Physics 1B and referral to the dean for disciplinary action . 1. If a 9.0-V battery, with negligible internal resistance, and an 18- resistor are connected in series, what is the amount of electrical energy transformed to heat per coulomb of charge that flows through the circuit? a. 0.50 J b. 3.0 J c. 9.0 J d. 72 J 2. Replacing a wire resistor with another of the same material and length but with three times the diameter will have the effect of changing the resistance by what factor? a. 1/3
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Quiz_3-A - PHYSICS 1B QUIZ #3 FALL QUARTER 2005 A YOUR NAME...

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