# Physics - GP4 - Electricity

## Quiz by Manju Ramkumar

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19 questions
• Q1
What is the SI unit for current?
Coulomb (C)
Joule (J)
Watt (W)
Amp (A)
30s
• Q2
What is the SI unit for resistance?
Volt (V)
Ohm (Ω)
Watt (W)
Amp (A)
30s
• Q3
What is the SI unit for energy?
Joule (J)
Watt (W)
Coulomb (C)
Amp (A)
30s
• Q4
What is the SI unit for power?
Joule (J)
Amp (A)
Coulomb (C)
Watt (W)
30s
• Q5
What is the SI unit for voltage?
Joule (J)
Amp (A)
Coulomb (C)
Volt (V)
30s
• Q6
Ohm's law states that more voltage will create ______ current, and more resistance will create ______ current.
more, less
less, more
less, less
more, more
30s
• Q7
A 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 text
30s
• Q8
Does 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 current
The thick wire has more resistance because there is more surface area for heating
The thin wire has more resistance because not as many electrons can fit through it
The thick wire has more resistance because there is more material
30s
• Q9
If bulb B goes out, what will happen to bulbs A and C?
A will stay lit, C will go out
Both go out
A will go out, C will stay lit
Both stay lit
30s
• Q10
What does component D represent?
Users enter free text
30s
• Q11
When the circuit is closed, which statement best describes the brightness of the bulbs?
A is brighter than B because it experiences more current
B is brighter than A because it experiences more current
They are the same brightness because parallel circuits deliver equal voltage to each branch
30s
• Q12
When the circuit is closed, which statement best describes the brightness of the bulbs?
B is brighter than A because it experiences more current
A is brighter than B because it experiences more current
They are the same brightness because they each get all 10 volts from the battery
30s
• Q13
When the circuit is closed, which statement best describes the brightness of the bulbs?
A is brightest because it gets all 10 volts from the battery
B and C are the brightest because they have less resistance
They are the same brightness because they experience the same current
B is the brightest because it has low resistance and gets the current before it makes it to C
30s
• Q14
Which combination of charges will repel each other
neutral and neutral
positive and negative
positive and neutral
positive and positive
30s
• Q15
Copper is an electrical _________
Users enter free text