1
The operating point ………………… on the a.c. load line
Answer: Also line
Questions
2
For proper amplification by a transistor circuit, the operating point should be located at the ………….. of the d.c. load line
Answer: Middle
4
The leakage current in a silicon transistor is about ………… the leakage current in a germanium transistor
Answer: One thousandth
5
For good stabilsation in voltage divider bias, the current I1 flowing through R1 and R2 should be equal to or greater than
Answer: 10 IB
6
The biasing circuit has a stability factor of 50. If due to temperature change, ICBO changes by 1 µA, then IC will change by …………
Answer: 50 µA
7
The disadvantage of base resistor method of transistor biasing is that it …………
Answer: Is sensitive to changes in ß
8
If the maximum collector current due to signal alone is 3 mA, then zero signal collector current should be at least equal to ………..
Answer: 3 mA
9
The zero signal IC is generally ……………… mA in the initial stages of a transistor amplifier
Answer: 1
11
The point of intersection of d.c. and a.c. load lines represents …………..
Answer: Operating point
12
The circuit that provides the best stabilization of operating point is …………
Answer: Potential divider bias
13
For faithful amplification by a transistor circuit, the value of VCE should ……….. for silicon transistor
Answer: Not fall below 1 V
14
For proper operation of the transistor, its collector should have …………
Answer: Proper reverse bias
15
For faithful amplification by a transistor circuit, the value of VBE should ………. for a silicon transistor
Answer: Not fall below 0.7 V
16
Transistor biasing is generally provided by a …………….
Answer: Biasing circuit
17
If biasing is not done in an amplifier circuit, it results in ……………
Answer: Unfaithful amplification
19
Transistor biasing is done to keep ………… in the circuit
Answer: Proper direct current
