Loose
Tight
Critical
None of the above
Answer is Right!
Answer is Wrong!
Transistors
32. At parallel resonance, the ratio $$\frac{{\text{L}}}{{\text{C}}}$$ is ___________
Very large
Zero
Small
None of the above
Answer is Right!
Answer is Wrong!
Detailed SolutionAt parallel resonance, the ratio $$\frac{{\text{L}}}{{\text{C}}}$$ is ___________
33. In the double tuned circuit, if the mutual inductance between the two tuned circuits is decreased, the level of resonance curve ___________
Remains the same
Is lowered
Is raised
None of the above
Answer is Right!
Answer is Wrong!
34. Transistor biasing is done to keep ___________ in the circuit
Proper direct current
Proper alternating current
The base current small
Collector current small
Answer is Right!
Answer is Wrong!
Detailed SolutionTransistor biasing is done to keep ___________ in the circuit
35. In series resonance, there is ___________
Voltage amplification
Current amplification
Both voltage and current amplification
None of the above
Answer is Right!
Answer is Wrong!
36. Thermal runaway occurs when ___________
Collector is reverse biased
Transistor is not biased
Emitter is forward biased
Junction capacitance is high
Answer is Right!
Answer is Wrong!
37. In a pnp transistor, the current carriers are ___________
acceptor ions
donor ions
free electrons
holes
Answer is Right!
Answer is Wrong!
Detailed SolutionIn a pnp transistor, the current carriers are ___________
38. Transistor biasing represents ___________ conditions
a.c.
d.c.
both a.c. and d.c.
none of the above
Answer is Right!
Answer is Wrong!
Detailed SolutionTransistor biasing represents ___________ conditions
39. At parallel resonance, the net reactive component circuit current is ___________
Capacitive
Zero
Inductive
None of the above
Answer is Right!
Answer is Wrong!
Detailed SolutionAt parallel resonance, the net reactive component circuit current is ___________
40. The circuit that provides the best stabilization of operating point is ___________
Base resistor bias
Collector feedback bias
Potential divider bias
None of the above
Answer is Right!
Answer is Wrong!
Detailed SolutionThe circuit that provides the best stabilization of operating point is ___________