# ELECTRICAL ENGINEERING

Exam: 086003RR – Capacitors and Inductors

1. What is the time constant of a 0.01 microfarad capacitor and a 600 ohm resistor connected in series?

A. 60 µS

B. 60 mS

C. 6 µS

D. 6 mS

2. What is the total inductance of a circuit that contains two 10 µH inductors connected in parallel?

A. 8 µH

B. 15 µH

C. 20 µH

D. 5 µH

3. A circuit contains a 2 microfarads and 6 microfarads capacitor connected in series. What is the total

capacitance of this circuit?

4. A 15 H and a 20 H inductor are connected in parallel. What is the total inductance of this circuit?

A. 2.46 H

B. 8.57 H

C. 35 H

D. 22.6 H

5. A circuit contains a 2 microfarads and a 20 microfarads capacitor connected in parallel. What is the total

capacitance of the circuit?

6. What action should always be taken before working on a circuit with an electrolytic capacitor or another

large capacitor?

A. Check the capacitor with an LCR meter.

B. Place the VOM’s leads directly to the capacitor.

C. Discharge the capacitor.

D. Disconnect the bleeder resistor.

7. A circuit contains a 10 pF capacitor and a 50 pF capacitor connected in parallel. What is the total

capacitance of this circuit?

A. 8.3 pF

B. 50 pF

C. 25 pF

D. 60 pF

8. On an electrolytic or paper capacitor, what does the black band indicate?

A. That the capacitor’s negative lead is near the band

B. That the capacitor’s voltage rating is less than 100 VDC

C. That the capacitor has a value less than 10 mF

D. That the capacitor is color coded to military specifications

9. Which of the following capacitor types has the lowest insulation resistance and therefore, the highest

leakage current?

A. Ceramic

B. Electrolytic

C. Mica

D. Tantalum

10. What type of capacitor has great stability and is up to three times smaller than a standard electrolytic

capacitor?

A. Paper

B. Tantalum

C. Ceramic

D. Mica

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