Basic Physics II Evidences - DrJJ - UiTM

CONFIDENTIAL4AS/APR 2008/PHY407R 1 =4 R 3 =4 BAR 2 =4 +-12 VCR 4 =6 Figure 3Di) The resistors in parallel adds up toresistors can be replaced by a single resistor by taking the inverse:The total resistance is then the sum of the resistors in series:R1234 R12 R3 R4 2 4 6 12. Then the current I is:V 12VI 1 AR 12ii) Since the current I is the same from point A to point D, thenSince V1 V2VAB1R121R11R21 1 1 1 2 . Then the4 4 4 4 VAB12R 124 2 .2 IR 1 A2 2VVAB2 V , then the current through R 2 is, I 2 0.5 AR 4 2(9+5=14 marks)© Hak Cipta Universiti Teknologi MARA CONFIDENTIAL