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Nor Farahidah Za’bah Room number : E2-2-13.12 Phone number : 03-6196 4562 Email address :

Nor Farahidah Za’bah Room number : E2-2-13.12 Phone number : 03-6196 4562 Email address : adah510@iium.edu.my nfzabah@hotmail.com Website: http://staff.iium.edu.my/adah510. My rules. Be punctual! Silent your handphone while in class

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Nor Farahidah Za’bah Room number : E2-2-13.12 Phone number : 03-6196 4562 Email address :

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  1. Nor FarahidahZa’bah • Room number : E2-2-13.12 • Phone number : 03-6196 4562 • Email address : • adah510@iium.edu.my • nfzabah@hotmail.com • Website: http://staff.iium.edu.my/adah510

  2. My rules • Be punctual! • Silent your handphone while in class • Wear proper attire as to the University’s dress code • Attendance is COMPULSORY

  3. Course Assessment

  4. Bloom’s Taxonomy

  5. Bloom’s Taxonomy

  6. Example of Questions • State two (2) differences between MOSFET and BJT – LEVEL 1 • Explainhow depletion region is created in a pn junction? – LEVEL 2 • Calculatethe bandgap energy of the germanium – LEVEL 3

  7. Example of Questions • Sketchthe output voltage, VO if the input signal, Vi is a 12 V peak-to-peak square wave – LEVEL 3 • Analyze the circuit below to calculate the base, collector and emitter currents – LEVEL 4

  8. Compare the two characteristics for a conventional pn-junction diode and a Zener diode – LEVEL 4/5 • Evaluate the circuit below to determine whether the BJT is in cut-off, active or saturation mode – LEVEL 5

  9. Design an n-channel MOSFET circuit is as shown in the figure - LEVEL 6 NOTE: A DESIGN question generally means that you are required to calculate the values of the resistors.

  10. Design a full-wave center-tapping rectifier circuit for a desired peak output current by determining the transformer turns ratio – LEVEL 6

  11. EVALUATION

  12. Fill up the following blanks: • The unit of EMF of a battery is---------------and 1 mV = -------------Volt • The unit of power is----------------and the unit of energy is--------------- • The unit of capacitance is--------------------  0.001 Volt Watt Joule Farad

  13. Node Voltages VA What is VA – VB ? What about VB – VA ? What is the value of VB if VA = 10 V ? 4 V - 4 V 6 V VB

  14. Branch Current Equation A Branch Current Equation is based on Ohm’s Law (VA – VB) / 2 = I 2 I B C = 4/2 = 2 A 2 I (VD – VC) / 2 = I D

  15. Kirchhoff Current Law Kirchhoff Voltage Law

  16. What will be the polarity of the voltage across the resistor if the current direction is as follows: I - + VR

  17. I 5 I + 10 I + 7.5 I – 45 = 0 22.5 I – 45 = 0 I = 2 mA

  18. Which branch has the bigger current? • If the voltage across the 10 is 5V, what is the voltage across the 4? • What is the total resistance? The 4  branch 4 10 5 V 2.86 

  19. Thevenin Equivalent • VTH and RTH • VTH = open circuit voltage at the output terminal • RTH = equivalent resistance when the voltage/current source is turned off VTH = voltage across 4 k = 12 V RTH = 12 k in parallel with 4 k = 3 k 3 k 12 V

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