Circuits Review

# How does the current in the second 60 ω resistor of

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Circuit B contains three 60-Ω resistors in parallel. How does the current in the second 60-Ω resistor of each circuit change if a switch cuts off the current to the first 60-Ω resistor? 7) For each of the following, write the form of circuit that applies: SERIES OR PARALLEL. a) The current is the same everywhere throughout the entire circuit. b) The total resistance is equal to the sum of t he individual resistances. c) The voltage drop across each resistor in the circuit is the same. d) The voltage drop in the circuit is proportional to the resistance. e) Adding a resistor to the circuit decreases the total resistance. f) Adding a resistor to the circuit increases the total resistance. g) If the current through one resistor in the circuit goes to zero, there is no current in the entire circuit. h) If the current though on e resistor in the circuit goes to zero, the current through all other resistors remains the same. i) This form is suitable for house wiring. RESISTANCE VOLTAGE CURRENT POWER 5 22.6 4.52 102.15 10 27.12 2.71 73.55 15 27.12 1.81 49.03 20 50.17 2.51 125.85 25 50.17 2.01 100.68 RESISTANCE VOLTAGE CURRENT POWER 10 9.14 0.92 8.41 20 9.14 0.46 4.2 30 2.4 0.08 0.19 40 2.4 0.06 0.14 50 7 0.14 0.98 60 90.6 1.51 136.8 RESISTANCE VOLTAGE CURRENT POWER 5 3.34 0.67 2.2 10 3.34 0.33 1.1 20 1.34 0.067

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