PROJECT TEAMS A 1 & 2 B 6 & 15 C 4 & 5 D 3 & 7 E 8 & 14 F 12 & 13 G 9 & 16 H 10 & 11

4.69 k  COM VV 10A mA  A  A V dc R 2 = 4.69  10 3 

Power supply (“battery”) variable fixed  5.20 V COM VV 10A mA  A  A V dc  = 5.20 V

1Check all leads for low resistance (R setting on multimeter) 2Measure resistance values for 1.0 K and 4.7 K resistors (R on multimeter) 3Check power supply is ok – fixed & variable (V setting on multimeter) 4Start on experiment – measurement of resistance current I (1 A = 10 3 mA amperes, milliamperes) Voltage V (V volts) battery voltage emf  Resistance R (  ohms) I = V / R V = I R R series = R 1 + R 2 R parallel = 1/(1/R 1 + 1/R 2 )) Kirchhoff’s voltage law:  loop  =  loop V Kirchhoff’s current law:  junction I = 0 All measurements (name) symbol = value unit V 1 = 4.5 V I 1 = 125 mA