Extension Activity: Current, Voltage and Resistance apply the rules of current and voltage to to following circuits and use the VelR equation to work out the missing FORGET YOUR UNITS! APpants, voltages and resistances as required. Unless stated otherwise, assume all bulbs are identical. DON'T Remember: To work out resistors in series Rras = R1 + R2 + R3 Resistors in parallel Riots R1 RZ 1 = 141 R3 Al = _0 2 A 5. A2 = _OLA V1 =_ 3 v Al = V2 = 1. 5 V A2 = 12A V3 = 1. 5 A3 = Al 20 V1 = V2 = R1 V3 = V2 R1 = A3 Al = 3 A A2 = 3 A RI 20 V1 = 3 V R1 = 2 n 6. A1 = IR A2 = 2 x 10 A3 = A1 = 2A V1 = V1 = ZOV V2 = R1 = V2 = 40 30 20 50 V3 = 4 V R2 = V4 = 6 V 7. A1 = A2 = ppp A1 = 3A A3 = V1 = 9 V V1 = RI R2 30 3 V2 = q V V2 = Calculate the resistance of: 30 V3 = The bulb = R1 = 20 The resistor = 2 33 R =