Practice-Quiz2

# Practice-Quiz2 - flows What is the voltage drop across the...

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Physics 7B Practice Quiz 2 First two letters of last name: DL Section Number ____________ Name (last, first) ____________________________ Student ID _______________________ I certify by my signature that I will abide by the code of academic conduct of the University of California. Signature No books or notes. Calculators OK. Show all your work below. Answers alone do not receive credit! 1. (1.5 pts) In the portion of the circuit shown in the diagram, a current of I = 4 A
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Unformatted text preview: flows. What is the voltage drop across the R = 2 Ω resistor? 2. (1.5 pts) What is the power dissipated by the resistor? 3. (1.5 pts) If the voltage drop is doubled, but the resistor remains 2 Ω what is the current, and what is the new power dissipated by the resistor? transport equation for circuits: Δ V = E - IR power dissipation in a resistor: P = I 2 R...
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