Physics - GP4 - Electricity
Quiz by Manju Ramkumar
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19 questions
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- Q1What is the SI unit for current?Coulomb (C)Joule (J)Watt (W)Amp (A)30s
- Q2What is the SI unit for resistance?Volt (V)Ohm (Ω)Watt (W)Amp (A)30s
- Q3What is the SI unit for energy?Joule (J)Watt (W)Coulomb (C)Amp (A)30s
- Q4What is the SI unit for power?Joule (J)Amp (A)Coulomb (C)Watt (W)30s
- Q5What is the SI unit for voltage?Joule (J)Amp (A)Coulomb (C)Volt (V)30s
- Q6Ohm's law states that more voltage will create ______ current, and more resistance will create ______ current.more, lessless, moreless, lessmore, more30s
- Q7A voltage of 120 V running through your house is used to power a lightbulb with resistance 240 Ω. Calculate the current through the lightbulb.Users enter free textType an Answer30s
- Q8Does a thick wire or a thin wire have more resistance? Why?The thin wire has more resistance because it can get clogged full of electrons and stop the currentThe thick wire has more resistance because there is more surface area for heatingThe thin wire has more resistance because not as many electrons can fit through itThe thick wire has more resistance because there is more material30s
- Q9If bulb B goes out, what will happen to bulbs A and C?A will stay lit, C will go outBoth go outA will go out, C will stay litBoth stay lit30s
- Q10What does component D represent?Users enter free textType an Answer30s
- Q11When the circuit is closed, which statement best describes the brightness of the bulbs?A is brighter than B because it experiences more currentB is brighter than A because it experiences more currentThey are the same brightness because parallel circuits deliver equal voltage to each branch30s
- Q12When the circuit is closed, which statement best describes the brightness of the bulbs?B is brighter than A because it experiences more currentA is brighter than B because it experiences more currentThey are the same brightness because they each get all 10 volts from the battery30s
- Q13When the circuit is closed, which statement best describes the brightness of the bulbs?A is brightest because it gets all 10 volts from the batteryB and C are the brightest because they have less resistanceThey are the same brightness because they experience the same currentB is the brightest because it has low resistance and gets the current before it makes it to C30s
- Q14Which combination of charges will repel each otherneutral and neutralpositive and negativepositive and neutralpositive and positive30s
- Q15Copper is an electrical _________Users enter free textType an Answer30s