Electronics – BSP question paper No. 1
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1. What does LED stand for
(a) Light Emitting Display
(b) Low Energy Display
(c) Light Emitting Diode
(d) Light Emitting Detector
2. What is the total opposition to current in a series RC circuit called
(a) Impedance
(b) Inductance
(c) Reactance
(d) Resistance
3. The common collector amplifier is also known as
(a) Collector Follower
(b) Base Follower
(c) Emitter Follower
(d) Source Follower
4. If two resistors are place in series, is the final resistance
(a) Higher
(b) Lower
(c) The same
(d) Cannot be determined
5. A CRO is a
(a) Cathode Ray Oscillator
(b) Cathode Ray Oscilloscope
(c) Capacitor Resistor Oscillator
(d) Capacitor-Resistor Output
6. If the resistance in a circuit with constant voltage increases, the current will
(a) Increase
(b) Decrease
(c) Stay the same
(d) Not enough information
7. What is the most commonly used conductor in electronics
(a) Aluminum
(b) Copper
(c) Gold
(d) Silver
8. Increase the number of turns of wire on the secondary of a transformer will
(a) Increase the secondary current
(b) Decrease the secondary current
(c) Have no effect on the secondary current
(d) Increase the primary current
9. Junction field effect transistors (JFET) contain how many diodes
(a) 4
(b) 3
(c) 2
(d) 1
10. At any given time in an intrinsic piece of semiconductor material at room temperature
(a) Electrons drift randomly
(b) Recombination occurs
(c) Holes are created
(d) All of the above
Ans. 1 (c) 2 (a) 3 (c) 4(a) 5 (b) 6(b) 7(b) 8(b) 9.(d) 10. (d)
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