1) For a fixed potential difference, increasing the resistance will increase the current? a) True b) False 2) Increasing the temperature of a wire will increase its resistance? a) True b) False 3) What component has an IV graph that is this shape? a) Diode b) Lamp c) Fixed Resistor 4) What component has an IV graph that is this shape? a) Diode b) Lamp c) Fixed Resistor 5) What component has an IV graph that is this shape? a) Diode b) Lamp c) Fixed Resistor 6) Each lamp is identical and has a resistance of 5.6 Ω. What is the total resistance of the circuit? a) 16.8 Ω b) 1.9 Ω c) 5.6 Ω d) <5.6 Ω 7) The total resistance of the circuit is 9 Ω. Calculate the resistance of Q. a) 3.4 Ω b) 5.5 Ω c) 0.3 Ω d) Not enough information 8) Calculate the current that flows through resistor Y. a) 1 A b) 2 A c) 3 A d) 1.5A 9) the resistance of Y is 4Ω. What is the resistance of X? a) 8 Ω b) 4 Ω c) 2 Ω d) 1 Ω 10) The power supply and lamps are identical in both circuits. Which circuit will have the lowest resistance? a) Circuit X b) Circuit Y 11) Which statements correctly explain why the resistance of X is lower than Y. (Select 2) a) The current is higher in X. b) The current is higher in Y. c) Circuit X provides more routes for the charges to flow. d) Circuit Y provides more routes for the charges to flow.

Resistance in Series and Parallel Circuits

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