course material

1. Pf exam: 086003rr capacitors and inductors
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 µSB. 60 mSC. 6 µSD.
6 mS 2. What is the total inductance of a circuit that contains two 10 µH inductors
connected in parallel?A. 8 µHB. 15 µHC. 20 µHD. 5 µH 3. A circuit contains a 2 microfarads
and 6 microfarads capacitor connected in series. What is the totalcapacitance of this
circuit?A. 3.6 microfaradsB. 16 microfaradsC. 1.5 microfaradsD. 8 microfarads 4. A 15 H and
a 20 H inductor are connected in parallel. What is the total inductance of this circuit?A. 2.46
HB. 8.57 HC. 35 HD. 22.6 H 5. A circuit contains a 2 microfarads and a 20 microfarads
capacitor connected in parallel. What is the totalcapacitance of the circuit?A. 18
microfaradsB. 1.8 microfaradsC. 22 microfaradsD. 9.6 microfarads 6. What action should
always be taken before working on a circuit with an electrolytic capacitor or anotherlarge
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 totalcapacitance
of this circuit?A. 8.3 pFB. 50 pFC. 25 pFD. 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 bandB.
That the capacitor’s voltage rating is less than 100 VDCC. That the capacitor has a value less
than 10 mFD. That the capacitor is color coded to military specifications 9. Which of the
following capacitor types has the lowest insulation resistance and therefore, the
highestleakage current?A. CeramicB. ElectrolyticC. MicaD. Tantalum 10. What type of
capacitor has great stability and is up to three times smaller than a standard
electrolyticcapacitor?A. PaperB. TantalumC. CeramicD. Mica 11. An inductor stores a
chargeA. as a magnetic field in its dielectric.B. in an insulating material in the circuit.C. as a
magnetic field surrounding the conductor.D. in the electric field between its plates. 12. An
electronic circuit has a 60 mH inductor and a 30 mH inductor connected in parallel. What is
thetotal inductance of the circuit?A. 20 mHB. 75 mHC. 35 mHD. 90 mH 13. What is the
dielectric constant of ceramic?A. 1,200B. 900C. 80D. 7,500 14. A circuit contains a 20
microfarads capacitor and a 60 microfarads capacitor connected in parallel.What is the total
capacitance of the circuit?A. 40 microfaradsB. 80 microfaradsC. 58 microfaradsD. 15
microfarads 15. What is the time constant of a 5 mH inductor and a 1,000 ohm resistor
connected in series?A. 50 mSB. 5 mSC. 5 µSD. 50 µS 16. An RC circuit contains a 2,000 ohm
resistor and a 0.5 microfarad capacitor connected in series. Whatis the time constant of this
circuit?A. 100 µSB. 10 mSC. 1 mSD. 10 µS 17. What is the time constant of a 10 H inductor

2. and a 200 ohm resistor connected in series?A. 5 mSB. 50 mSC. 5 µSD. 50 µS 18. What is the
total inductance of a circuit that contains two 22 mH inductors in parallel?A. 5.5 mHB. 11
mHC. 22 mHD. 44 mH 19. What type of capacitor uses aluminum oxide as its dielectric?A.
PaperB. CeramicC. MicaD. Electrolytic 20. An electronic circuit contains a 20 mh and a 60
mh inductor connected in parallel. What is the totalinductance of this circuit?A. 80 mhB. 15
mhC. 66 mhD. 30 mh 21. A circuit contains four 20 µH inductors connected in series. What is
the total inductance of this circuit?A. 16.2 µHB. 80 µHC. 60 µHD. 24 µH 22. A mica capacitor
has the color dot code of orange, black, orange. What is the capacitance of thisdevice?A.
0.003 microfaradsB. 0.03 microfaradsC. 0.033 microfaradsD. 0.3 microfarads 23. Which of
the following values is equal to one microfarad?A. 1 × 10–6 FB. 1 × 10C. 1 × 10–9 F–12 FD. 1
× 10–3 F 24. What is the time constant of a 1 microfarad capacitor and a 200 ohm resistor
connected in series?A. 2 mSB. 200 µSC. 20 µSD. 20 mS 25. What type of meter is used to
directly find the capacitance value of an unknown capacitor or to checkthe condition of a
known capacitor?A. OscilloscopeB. VOM meterC. Megohm meterD. LCR meter