A resonant circuit contains ____________elements?
A. R and L only
B. R and C only
C. Only R
D. L and C
Month: December 2018
At parallel resonance, the line current is_______________?
At parallel resonance, the line current is_______________?
A. Minimum
B. Maximum
C. Quite large
D. None of the above
A tuned amplifier uses__________load?
A tuned amplifier uses__________load?
A. Resistive
B. Capacitive
C. LC tank
D. Inductive
At series resonance, voltage across L is____________voltage across C?
At series resonance, voltage across L is____________voltage across C?
A. Equal to but opposite in phase to
B. Equal to but in phase with
C. Greater than but in phase with
D. Less than but in phase with
A tuned amplifier is used in ___________ applications?
A tuned amplifier is used in ___________ applications?
A. Radio frequency
B. Low frequency
C. Audio frequency
D. None of the above
The voltage gain of a tuned amplifier is____________at resonant frequency
The voltage gain of a tuned amplifier is____________at resonant frequency
A. Minimum
B. Maximum
C. Half-way between maximum and minimum
D. Zero
At series resonance, the circuit offers____________ impedance?
At series resonance, the circuit offers____________ impedance?
A. Zero
B. Maximum
C. Minimum
D. None of the above
A tuned amplifier is generally operated in ____________operation?
A tuned amplifier is generally operated in ____________operation?
A. Class A
B. Class C
C. Class B
D. None of the above
The 39th Gulf cooperation council summit was held in_____________?
The 39th Gulf cooperation council summit was held in_____________?
A. Baghdad
B. Kuwait
C. Riyadh
D. Muscat
Which country became the World’s leading exporter of LNG?
Which country became the World’s leading exporter of LNG?
A. Australia
B. Norway
C. Canada
D. Russia