Question: When either L or C is increased, the resonant frequency of LC circuit ____________?

• 1. Remains the same
• 2. Increases
• 3. Decreases
• 4. Insufficient data

Question: If Q of an LC circuit increases, then bandwidth ______________?

• 1. Increases
• 2. Decreases
• 3. Remains the same
• 4. Insufficient data

Question: In a parallel LC circuit, if the input signal frequency is increased above resonant frequency then _______________?

• 1. XL increases and XC decreases
• 2. XL decreases and XC increases
• 3. Both XL and XC increase
• 4. Both XL and XC decrease

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

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

Question: A resonant circuit contains ____________elements?

• 1. R and L only
• 2. R and C only
• 3. Only R
• 4. L and C

Question: At parallel resonance, the line current is_______________?

• 1. Minimum
• 2. Maximum
• 3. Quite large
• 4. None of the above

Question: A tuned amplifier uses__________load?

• 1. Resistive
• 2. Capacitive
• 3. LC tank
• 4. Inductive

Question: At series resonance, voltage across L is____________voltage across C?

• 1. Equal to but opposite in phase to
• 2. Equal to but in phase with
• 3. Greater than but in phase with
• 4. Less than but in phase with

Question: A tuned amplifier is used in ___________ applications?

• 1. Radio frequency
• 2. Low frequency
• 3. Audio frequency
• 4. None of the above

Question: The voltage gain of a tuned amplifier is____________at resonant frequency.

• 1. Minimum
• 2. Maximum
• 3. Half-way between maximum and minimum
• 4. Zero