DC Circuits.docx

# A what is the equivalent resistance r equiv r 1 r 2

• Lab Report
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a. What is the equivalent resistance? R equiv = R 1 + R 2 = 40 + 20 R equiv = 60 b. What is the current? I = V/R = 120/ 60 I = 2 A c. What is the total voltage drop across the radio and the clock? What is the voltage drop across each component? Total voltage drop across the radio and the clock V = IR = 2 x 60 V = 120 V Voltage drop across radio, V r V r = IR 1 = 2 x 40 V r = 80 V Voltage drop across clock, V c V c = IR 2 = 2 x 20 V c = 40 V d. What is the power supplied to the circuit? How much power is dissipated by each component?

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