Question: The currents into a junction flow along two paths. One current is 4 A and the other is 3 A. The total current out of the junction is_____________?

• 1. 1 A
• 2. 7 A
• 3. unknown
• 4. the larger of the two

Question: If there are a total of 120 mA into a parallel circuit consisting of three branches, and two of the branch currents are 40 mA and 10 mA, the third branch current is_________________?

• 1. 50 mA
• 2. 70 mA
• 3. 120 mA
• 4. 40 mA

Question: The power dissipation in each of four parallel branches is 1.2 W. The total power dissipation is________________?

• 1. 1.2 W
• 2. 4.8 W
• 3. 0.3 W
• 4. 12 W

Question: An oscillator produces___________oscillations?

• 1. Damped
• 2. Undamped
• 3. Modulated
• 4. None of the above

Question: If the crystal frequency changes with temperature, we say that crystal has___________temperature coefficient?

• 1. Positive
• 2. Zero
• 3. Negative
• 4. None of the above

Question: An LC oscillator cannot be used to produce ____________frequencies?

• 1. High
• 2. Audio
• 3. Very low
• 4. Very high

Question: In an LC transistor oscillator, the active device is___________?

• 1. LC tank circuit
• 2. Biasing circuit
• 3. Transistor
• 4. None of the above

Question: An oscillator employs___________feedback?

• 1. Positive
• 2. Negative
• 3. Neither positive nor negative
• 4. Data insufficient

Question: In a phase shift oscillator, we use____________RC sections?

• 1. Two
• 2. Three
• 3. Four
• 4. None of the above

Question: The application where one would most likely find a crystal oscillator is____________?

• 1. Radio receiver
• 2. Radio transmitter
• 3. AF sweep generator
• 4. None of the above