A. Less than 5
B. Less than 10
C. More than 10
D. None of the above
0
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For frequencies below resonant frequency, a series LC circuit behaves as a _____________ load?
0
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Tuned class C amplifiers are used for RF signals of________________?
A. Resistive
B. Capacitive
C. Inductive
D. None of the above
0
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Double tuned circuits are used in ____________ stages of a radio receiver?
A. Low power
B. High power
C. Very high power
D. None of the above
0
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In the double tuned circuit, if the mutual inductance between the two tuned circuits is decreased, the level of resonance curve ___________________?
A. IF
B. Audio
C. Output
D. None of the above
0
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In parallel resonance, there is _______________?
A. Remains the same
B. Is lowered
C. Is raised
D. None of the above
0
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If a high degree of selectivity is desired, then double-tuned circuit should have ___________ coupling?
A. Both voltage and current amplification
B. Voltage amplifications
C. Current amplification
D. None of the above
0
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For frequencies above the resonant frequency, a parallel LC circuit behaves as a ____________ load?
A. Loose
B. Tight
C. Critical
D. None of the above
0
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In series resonance, there is__________________?
A. Capacitive
B. Resistive
C. Inductive
D. None of the above
0
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Frequencies above ______________ kHz are called radio frequencies?
A. Voltage amplification
B. Current amplification
C. Both voltage and current amplification
D. None of the above