81. The output impedance of a transistor connected in ……… arrangement is the highest.
(a) common emitter
(b) common collector
(c) common base
(d) none of the above
82. The phase difference between the input and output voltages in a common base arrangement is ………
(a) 180º
(b) 90º
(c) 270º
(d) 0ordm;
83. The power gain of a transistor connected in …….. arrangement is the highest.
(a) common emitter
(b) common base
(c) common collector
(d) none of the above
84. The phase difference between the input and output voltages of a transistor connected in common emitter arrangement is ……..
(a) 0º
(b) 180º
(c) 90º
(d) 270
85. The voltage gain of a transistor connected in …….. arrangement is the highest.
(a) common base
(b) common collector
(c) common emitter
(d) none of the above
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Transistors » Exercise - 1 1. A transistor acts as a : (a) Diode and voltage source (b) Diode and current source (c) Diode and power supply (d) Diode and resistance 2. The free electrons recombine with a hole in the base region of a transistor to become : (a) Free electrons (b) Valence electrons (c) Atom (d) Majority carrier 3. Transistor is a : (a) current controlled current device (b) current controlled voltage device (c) voltage controlled current device (d) voltage controlled voltage device 4. ICBO in a transistor can be reduced by : (a) Reducing IB (b) Reducing VCC (c) Reducing IE (d) Reducing the temperature 5. The base current of a transistor is typically : (a) Less than emitter current (b) Greater than emitter current (c) Same as emitter current (d) Equal to the sum of emitter and collector currents 6. The current gain of a transistor is : (a) The ratio of collector current to emitter current (b) The ratio of collector current to base current (c) The ratio of base current to collector current (d) The ratio of emitter current to collector current 7. The most commonly used configuration of transistor as switch is : (a) CB (b) CC (c) CE (d) CB or CC 8. When an N-P-N transistor is used as an amplifier then : (a)…- Transistors » Exercise - 2 79. The most commonly used transistor arrangement is ........ arrangement. (a) common emitter (b) common base (c) common collector (d) none of the above
- Transistors » Exercise - 2 85. The voltage gain of a transistor connected in ........ arrangement is the highest. (a) common base (b) common collector (c) common emitter (d) none of the above
- Transistors » Exercise - 2 81. The output impedance of a transistor connected in ......... arrangement is the highest. (a) common emitter (b) common collector (c) common base (d) none of the above
- Transistors » Exercise - 2 83. The power gain of a transistor connected in ........ arrangement is the highest. (a) common emitter (b) common base (c) common collector (d) none of the above