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Easy Electronics and Magnetism Practice Questions  Back to Science Questions Click here for the Answers to Easy Electronics and Magnetism questions 1. Q: What is the unit of measurement for current? A: Volts B: Amps C: Ohms D: Ergs ------------------------------------- 2. Q: Does DC or AC current flow in only one direction? A: DC B: AC ------------------------------------- 3. Q: What is the unit of measurement for power? A: Amp B: Volt C: Ohm D: Watt ------------------------------------- 4. Q: What type of current does a battery produce? A: AC B: DC ------------------------------------- 5. Q: What is the unit of measurement for resistance? A: Ohm B: Watt C: Volt D: Amp ------------------------------------- 6. Q: What does AM stand for? A: Audio Multiplexer B: Ampere Modulation C: Audio Multiplier D: Amplitude Modulation ------------------------------------- 7. Q: What does FM stand for? A: Farad Multiplexer B: Foreign Modulator C: Frequency Modulation D: Factor Modulation ------------------------------------- 8. Q: What type of waves are reflected back to the earth from the ionosphere? A: Long B: Short ------------------------------------- 9. Q: What is it called when an electrical signal causes a crystal to vibrate at a definite frequency? A: galvanic effect B: piezoelectric effect C: crystalizoic effect D: electromagnetic effect ------------------------------------- 10. Q: What is the unit of measurement for voltage? A: Amp B: Watt C: Volt D: Ohm ------------------------------------- 11. Q: What does IC stand for? A: Indirect Current B: Intelligent Chip C: Internet Computer D: Integrated Circuit ------------------------------------- 12. Q: What are fiber optics made of? A: glass B: copper C: gold D: water ------------------------------------- 13. Q: What type of signal do fiber optics carry? A: magnetic B: sound C: light D: electric ------------------------------------- 14. Q: What discovery in 1947 allowed electronics to be made much smaller with the use of silicon? A: the resistor B: the capacitor C: the transistor D: the vacuum tube ------------------------------------- 15. Q: Which is the correct equation to figure out voltage? A: V = F*R B: V = I/R C: V = F/R D: V = I*R ------------------------------------- 16. Q: What is the positive terminal of a battery called? A: anode B: cathode ------------------------------------- 17. Q: What type of voltage is available from a wall outlet in your home? A: AC B: DC ------------------------------------- 18. Q: Which of the following is NOT considered a passive component? A: transistor B: capacitor C: resistor D: inductor ------------------------------------- 19. Q: Which of the of the following is NOT considered an active component? A: battery B: connector C: transistor D: vacuum tube ------------------------------------- 20. Q: What type of component is made from two metal plates separated by an insulating material? A: resistor B: capacitor C: inductor D: transistor ------------------------------------- 21. Q: What type of component is made from a conducting wire wound into a coil? A: resistor B: capacitor C: inductor D: transistor ------------------------------------- 22. Q: What is used to increase the voltage, current, or power of a signal? A: inductor B: capacitor C: resistor D: amplifier ------------------------------------- 23. Q: "What is the result of ""1 AND 1"" in boolean math?" A: 1 B: 0 ------------------------------------- 24. Q: "What is the result of ""1 AND 0"" in boolean math?" A: 1 B: 0 ------------------------------------- 25. Q: "What is the result of ""1 OR 0"" in boolean math?" A: 1 B: 0 ------------------------------------- 26. Q: "If you input a ""1"" into an inverter, what is the output?" A: 1 B: 0 ------------------------------------- 27. Q: What unit of measurement is used for inductance? A: Farad B: Ohm C: Henry D: Volt ------------------------------------- 28. Q: What unit of measurement is used for capacitance? A: Farad B: Ohm C: Henry D: Watt ------------------------------------- 29. Q: When a signal is represented by a series of highs and lows, or ones and zeros, what type of signal is this? A: analog B: digital ------------------------------------- 30. Q: If you have a 10 Ohm resistor and a 55 Ohm resistor in series, what is the total resistance? A: 15 Ohms B: 35 Ohms C: 65 Ohms D: 110 Ohms -------------------------------------     Click here for the Answers to Easy Electronics and Magnetism questions Back to Science Questions

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