Electricity & Magnetism Review
Quiz by Kasey Ivey
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37 questions
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- Q1What is any material that attracts certain metals?circuitgeneratormagnetswitch30s
- Q2______ poles repel.LikeOppositeNorthStrong30s
- Q3_______________ make the best conductors.GasesLiquidsMetalsNon metals30s
- Q4Wood, plastic, rubber, air, and glass are all good examples of _________.semiconductorsconductorsinsulatorsinductors30s
- Q5Field lines always point fromnorth to northnorth to southsouth to northsouth to south30s
- Q6When placed next to a magnet, the compass needle will pointeasttoward northaway from northaway from south30s
- Q7An electromagnet converts ___________ energy to ______________.mechanical;electricalmechanical;magnetismelectrical; magnetismelectrical;chemical30s
- Q8A generator converts _____ to _____.chemical energy to mechanical energyelectrical energy to mechanical energythermal energy to radiant energymechanical energy to electrical energy30s
- Q9A simple motor convertselectrical energy to mechanical energyelectrical energy to radiant energyelectrical energy to chemical energymechanical energy to electrical energy30s
- Q10If you increase the resistance in a circuit, what would happen?current would decreasecurrent would increasevoltage would decreasecurrent would remain the same30s
- Q11What happens if you increase the voltage in a circuit?current would decreasecurrent would remain the sameresistance would increasecurrent would increase30s
- Q12What happens if you break a magnet in half?the magnet would become a permanent magnetthe magnetic field is destroyedthe magnet would be demagnetizedyou end up with two smaller magnets30s
- Q13When looking at an electroscope, how do you determine if there has been a charge?the metal leaves would be hanging down; togetherthe metal leaves would not move at allthe metal leaves would be spread apartthe metal leaves would fall off30s
- Q14Which of the following makes an electromagnet stronger?more currentmore voltageall of the abovemore coils30s
- Q15I (capital i) is the symbol for what word?currentampsresistancevoltage30s