Transistors » Exercise - 3 121. Which of the following has minimum value for a transistor - (a) Emitter current (b) Base current (c) Collector current (d) None of these
Transistors » Exercise - 1 28. Which is the largest transistor current ? (a) Emitter current (b) Base current (c) Collector current (d) Both Emitter & Collector currents
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 - 1 11. If a transistor emitter current is 2 mA, the collector current is : (a) Greater than 2 mA (b) Less than 2 mA (c) Equal to 2 mA (d) Equal to 4 mA
Transistors » Exercise - 3 121. Which of the following has minimum value for a transistor - (a) Emitter current (b) Base current (c) Collector current (d) None of these