Page 583 - MODUL SPEKTRUM FIZIK SPM
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(SET 12)

                     Question                   Answer Scheme                         Marks Allocated
                      (a)(i)   MV: Base current// Arus tapak// Ib                            1
                    (a)(ii)    RV: Collector current// Arus pengumpul// Ic                   1
                    (a)(iii)   CV: Resistance// Rintangan// R// Base voltage//               1
                               Voltan tapak// Vb
                    (b)(i), (ii)   Readings of Ib and Ic
                                Diagram 1.2     Ib = 0.4 mA
                                                Ic = 40.0 mA
                                Diagram 1.3     Ib = 1.2 mA
                                                Ic = 120.0 mA
                                Diagram 1.4     Ib = 2.1 mA
                                                Ic = 210.0 mA
                                Diagram 1.5     Ib = 3.0 mA
                                                Ic = 300.0 mA
                                Diagram 1.6     Ib = 3.8 mA
                                                Ic = 380.0 mA

                               ✔1 : 3 readings of Ib correct
                               ✔2 : All readings of Ib correct                               2

                               ✔1 : 3 readings of Ic correct
                               ✔2 : All readings of Ic correct (Accept ecf)                  2
                    (b)(iii)   Tabulation for Ib  and Ic

                                 Ib (mA)     Ic (mA)
                                   0.4       40.0// 40
                                   1.2     120.0// 120
                                   2.1     210.0// 210
                                   3.0     300.0// 300
                                   3.8     380.0// 380

                               ✔1 : All headings for Ib  and Ic correct                      3
                               ✔2 : All units for Ib  and Ic correct
                               ✔3 : All readings of Ib and Ic consistent to 1 d.p
                    (c)        Graph of Ic against Ib
                                                                                             5






















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