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

Question: If the resistance of a tuned circuit is increased, the Q of the circuit _______________?

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

Question: At series resonance, the phase angle between applied voltage and circuit is______________?

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

Question: The dimensions of L/CR are that of _______________?

• 1. Farad
• 2. Henry
• 3. Ohm
• 4. None of the above

Question: The Q of an LC circuit is given by _________________?

• 1. 2pfr x R
• 2. R / 2pfrL
• 3. 2pfrL / R
• 4. R2/2pfrL

Question: In parallel resonance, the circuit impedance is_________________?

• 1. C/LR
• 2. R/LC
• 3. CR/L
• 4. L/CR