Question: For frequencies above the resonant frequency , a series LC circuit behaves as a ____________load?

• 1. Resistive
• 2. Inductive
• 3. Capacitive
• 4. None of the above

Question: A class C amplifier always drives _____________load?

• 1. A pure resistive
• 2. A pure inductive
• 3. A pure capacitive
• 4. A resonant tank

Question: For frequencies below the resonant frequency , a parallel LC circuit behaves as a ______________load?

• 1. Inductive
• 2. Resistive
• 3. Capacitive
• 4. None of the above

Question: In the above question, what are the values of cut-off frequencies?

• 1. 140 kHz , 60 kHz
• 2. 1020 kHz , 980 kHz
• 3. 1030 kHz , 970 kHz
• 4. None of the above

Question: At parallel resonance, the phase angle between the applied voltage and circuit current is _____________?

• 1. 90o
• 2. 180o
• 3. 0o
• 4. None of the above

Question: At parallel resonance, the ratio L/C is ______________?

• 1. Very large
• 2. Zero
• 3. Small
• 4. None of the above

Question: If L/C ratio of a parallel LC circuit is increased, the Q of the circuit______________?

• 1. Is decreased
• 2. Is increased
• 3. Remains the same
• 4. None of the above

Question: At series resonance, the net reactive component of circuit current is _______________?

• 1. Zero
• 2. Inductive
• 3. Capacitive
• 4. None of the above

Question: At series or parallel resonance, the circuit power factor is ________________?

• 1. 0
• 2. 5
• 3. 1
• 4. 8

Question: At series or parallel resonance, the circuit behaves as a ______________ load?

• 1. Capacitive
• 2. Resistive
• 3. Inductive
• 4. None of the above