1) What is the total resistance of two 5Ω resistors in series? a) 10Ω b) 2.5Ω c) 5Ω d) 15Ω 2) What is the total resistance of two 10Ω resistors in parallel? a) 5Ω b) 20Ω c) 10Ω d) 15Ω 3) How do you calculate total resistance in series? a) Add resistances b) Multiply resistances c) Divide resistances d) Subtract resistances 4) How do you calculate total resistance in parallel? a) Reciprocal sum b) Add resistances c) Multiply resistances d) Subtract resistances 5) What is the total resistance of a 3Ω and 6Ω resistor in series? a) 9Ω b) 2Ω c) 18Ω d) 1Ω 6) What is the total resistance of a 4Ω and 4Ω resistor in parallel? a) 2Ω b) 8Ω c) 4Ω d) 16Ω 7) What happens to total resistance when more resistors are added in series? a) Increases b) Decreases c) Stays same d) Varies 8) What happens to total resistance when more resistors are added in parallel? a) Decreases b) Increases c) Stays same d) Varies 9) What is the total resistance of three 2Ω resistors in series? a) 6Ω b) 3Ω c) 2Ω d) 12Ω 10) What is the total resistance of three 6Ω resistors in parallel? a) 2Ω b) 18Ω c) 6Ω d) 12Ω 11) What is the formula for resistors in series? a) R = R1 + R2 b) R = 1/R1 + 1/R2 c) R = R1 * R2 d) R = R1 - R2 12) What is the formula for resistors in parallel? a) 1/R = 1/R1 + 1/R2 b) R = R1 + R2 c) R = R1 * R2 d) R = R1 - R2 13) What is the total resistance of a 10Ω and 20Ω resistor in series? a) 30Ω b) 15Ω c) 10Ω d) 5Ω 14) What is the total resistance of a 10Ω and 20Ω resistor in parallel? a) 6.67Ω b) 30Ω c) 15Ω d) 10Ω 15) What is the total resistance of a 1Ω, 2Ω, and 3Ω resistor in series? a) 6Ω b) 3Ω c) 2Ω d) 1Ω 16) What is the total resistance of a 1Ω, 2Ω, and 3Ω resistor in parallel? a) 0.55Ω b) 6Ω c) 3Ω d) 2Ω 17) What is the total resistance of a 5Ω and 10Ω resistor in series? a) 15Ω b) 5Ω c) 10Ω d) 50Ω 18) What is the total resistance of a 5Ω and 10Ω resistor in parallel? a) 3.33Ω b) 15Ω c) 5Ω d) 10Ω 19) What is the total resistance of a 7Ω and 14Ω resistor in series? a) 21Ω b) 7Ω c) 14Ω d) 28Ω 20) What is the total resistance of a 7Ω and 14Ω resistor in parallel? a) 4.67Ω b) 21Ω c) 7Ω d) 14Ω

Resistors in Series and Parallel

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