For frequencies below the resonant frequency , a parallel LC circuit behaves as a ______________load?
A. Inductive
B. Resistive
C. Capacitive
D. None of the above
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In the above question, what are the values of cut-off frequencies?
A. 140 khz , 60 khz
B. 1020 khz , 980 khz
C. 1030 khz , 970 khz
D. None of the above
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At parallel resonance, the phase angle between the applied voltage and circuit current is _____________?
A. 90o
B. 180o
C. 0o
D. None of the above
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At parallel resonance, the ratio L/C is ______________?
A. Very large
B. Zero
C. Small
D. None of the above
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If L/C ratio of a parallel LC circuit is increased, the Q of the circuit______________?
A. Is decreased
B. Is increased
C. Remains the same
D. None of the above
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At series resonance, the net reactive component of circuit current is _______________?
A. Zero
B. Inductive
C. Capacitive
D. None of the above
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At series or parallel resonance, the circuit power factor is ________________?
A. 0
B. 5
C. 1
D. 8
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At series or parallel resonance, the circuit behaves as a ______________ load?
A. Capacitive
B. Resistive
C. Inductive
D. None of the above
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If the resistance of a tuned circuit is increased, the Q of the circuit _______________?
A. Is increased
B. Is decreased
C. Remains the same
D. None of the above
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At series resonance, the phase angle between applied voltage and circuit is______________?
A. 90o
B. 180o
C. 0o
D. None of the above
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Word of the Day
15 Sep
Preferential
of or involving preference or partiality; constituting a favour or privilege.
ترجیحی، رعاعیتی، ترجیح پانےوالا

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