Transistor Tuned Amplifiers

1. A class C amplifier always drives __________ load

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

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2. A resonant circuit contains __________ elements

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

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3. A tuned amplifier is generally operated in __________ operation

1. Class A
2. Class C
3. Class B
4. None of the above

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4. A tuned amplifier is used in __________ applications

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

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5. A tuned amplifier uses __________ load

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

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6. At parallel resonance, the line current is __________

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

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7. At parallel resonance, the net reactive component circuit current is __________

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

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8. 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

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9. At parallel resonance, the ratio L/C is __________

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

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10. At series or parallel resonance, the circuit behaves as a __________ load

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

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