Answer Happy

UNIVERSITY OF HAFR AL-BATIN COLLEGE OF ENGINEERING ELECTRICAL ENGINEERING DEPARTMENT Q2. Mark tick () on the most appropriate answer: 1. Op-amp circuits are used in voltmeters. a) Only de b) Only ac c) Both ac and de d) Neither ac nor de 2. How man Vo = VI op-amps are required to implement this equation? a) 2 b)3 c) 4 d)1 3. Power diode is a) a three terminal semiconductor device b) a two terminal semiconductor device c) a four terminal semiconductor device d) a three terminal analog device 4. The material used between the plates of a capacitor is called its: a) insulation material b) dielectric material c) separation material d) plate-divider material 5. As a capacitor is being charged, current flowing into the capacitor will: a) increase b) decrease i c) remain the same d) cannot tell 6. 7200 mV is the same as a) 7.2 V b) 7.2 V c) 7,200,000 V d) 0.0072 V EE203 Final Lab May, 2022 Mr. Bander M. Alshammari
UNIVERSITY OF HAFR AL-BATIN COLLEGE OF ENGINEERING ELECTRICAL ENGINEERING DEPARTMENT 7. Which is beta's current ratio? a) 1C/B b) IC/E IBAE d) IE/B 8. A transistor may be used as a switching device or as a a) fixed resistor b) tuning device c) rectifier d) variable resistor 9. In a C-E configuration, an emitter resistor is used for: a) stabilization b) ac signal bypass c) collector bias d) higher gain 10. A transistor has a Poc of 250 and a base current, IB, of 20 µA. The collecto IC, equals: a) 500 A b) 5 mA c) 50 mA d) SA 11. All of the following are basic op-amp input modes of operation EXCEPT a) inverting mode b) common-mode c) double-ended d) single-ended 12. What are the unit and symbol for current? a) Ampere, A b) Coulomb, I c) Ampere, Q d) Ampere, I FE203 Final I ab May 2022 Mr. Bander M Alehammari