Question: It is generally desired that a transistor should have_____________________ input impedance?

• 1. Low
• 2. Very low
• 3. High
• 4. Very high

Question: In the zero signal conditions, a transistor sees _____________ load?

• 1. c.
• 2. c.
• 3. both d.c. and a.c.
• 4. none of the above

Question: The point of intersection of d.c. and a.c. load lines is called________________?

• 1. Saturation point
• 2. Cut off point
• 3. Operating point
• 4. None of the above

Question: If a transistor amplifier draws 2mA when input voltage is 10 V, then its input impedance is ____________?

• 1. 20 kΩ
• 2. 2 kΩ
• 3. 10 kΩ
• 4. 5 kΩ

Question: An integrating circuit is a simple RC series circuit with output taken across ______________?

• 1. Both R and C
• 2. R
• 3. C
• 4. None of the above

Question: A differentiating circuit is a simple RC circuit with output taken across ____________?

• 1. R
• 2. C
• 3. Both R and C
• 4. None of the above

Question: One would find a clamping circuit in ___________________?

• 1. Receiving antenna
• 2. Radio transmitter
• 3. Radio receiver
• 4. Television receiver

Question: When the transistor (CE arrangement) is in the cut off region, the collector current is ______________?

• 1. ICBO
• 2. ICEO
• 3. (ß + 1) ICEO
• 4. IC(sat)

Question: When a transistor is used as an amplifier, it is operated in the _____________ region?

• 1. Off
• 2. Saturation
• 3. Active
• 4. None of the above

Question: A negative clipper removes the ______________half-cycles of the input voltage?

• 1. Negative
• 2. Positive
• 3. Both positive and negative
• 4. None of the above