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Electricity and Magnetism
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1. Q: What is the unit of measurement for current?

B: Amps

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2. Q: Does DC or AC current flow in only one direction?

A: DC

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3. Q: What is the unit of measurement for power?

D: Watt

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4. Q: What type of current does a battery produce?

B: DC

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5. Q: What is the unit of measurement for resistance?

A: Ohm

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6. Q: What does AM stand for?

D: Amplitude Modulation

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7. Q: What does FM stand for?

C: Frequency Modulation

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8. Q: What type of waves are reflected back to the earth from the ionosphere?

B: Short

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9. Q: What is it called when an electrical signal causes a crystal to vibrate at a definite frequency?

B: piezoelectric effect

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10. Q: What is the unit of measurement for voltage?

C: Volt

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11. Q: What does IC stand for?

D: Integrated Circuit

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12. Q: What are fiber optics made of?

A: glass

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13. Q: What type of signal do fiber optics carry?

C: light

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14. Q: What discovery in 1947 allowed electronics to be made much smaller with the use of silicon?

C: the transistor

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15. Q: Which is the correct equation to figure out voltage?

D: V = I*R

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16. Q: What is the positive terminal of a battery called?

A: anode

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17. Q: What type of voltage is available from a wall outlet in your home?

A: AC

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18. Q: Which of the following is NOT considered a passive component?

A: transistor

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19. Q: Which of the of the following is NOT considered an active component?

B: connector

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20. Q: What type of component is made from two metal plates separated by an insulating material?

B: capacitor

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21. Q: What type of component is made from a conducting wire wound into a coil?

C: inductor

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22. Q: What is used to increase the voltage, current, or power of a signal?

D: amplifier

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23. Q: "What is the result of ""1 AND 1"" in boolean math?"

A: 1

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24. Q: "What is the result of ""1 AND 0"" in boolean math?"

B: 0

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25. Q: "What is the result of ""1 OR 0"" in boolean math?"

A: 1

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26. Q: "If you input a ""1"" into an inverter, what is the output?"

B: 0

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27. Q: What unit of measurement is used for inductance?

C: Henry

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28. Q: What unit of measurement is used for capacitance?

A: Farad

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29. Q: When a signal is represented by a series of highs and lows, or ones and zeros, what type of signal is this?

B: digital

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30. Q: If you have a 10 Ohm resistor and a 55 Ohm resistor in series, what is the total resistance?

C: 65 Ohms

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Click here for the Easy Electronics and Magnetism questions

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