Question 5 (6 marks) Use the following circuit diagram to answer the questions in 9.) below. 3.0 o 1s v 2.0 c R |:| a) Calculate i) the combined resistance of the circuit if resistor R = 5 Q. [1] ii} the total power of the 3 I2 resistor. [2] A switch is added to a similar circuit as shown below 3.0 c 45 V 3.0 o 6.0 D b) Calculate the power difference through the 6 2 resistor when the switch open and closed. [3]