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Round match
College
Science

Science quiz

Chenxi

32

14 questions

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Always show answer

public quiz

# 1Multiple Choice

What device is used to measure electric current

Ammeter
Voltmeter
Thermometer
Barimeter
# 2Multiple Choice

What is the unit of electric current

Watt
Volt
Ampere
Ohm
# 3Multiple Choice

What is the name of the Flo of electric charge

Current
Resistance
Voltage
Power
# 4Multiple Choice

Which of the following is a good conductor of electricity

Copper
Plastic
Rubber
Wood
# 5Multiple Choice

Electricity can only flow in a ________circuit

Close
Open
Broken
Disconnected
# 6Multiple Choice

If a circuit has a voltage of 12v and a resistance of 6ohms what is the current

1a
2a
3a
# 7Multiple Choice

What happens to the brightness of a bulb if more bulbs are added in a series cicuit

gets brighter
It stays the same
gets dimmer
explodes
# 8Multiple Choice

Which statement best describes an insulater

Allows electricity to flow easily
does not allow electricity to flow
doesnt do anything
converts to heat
# 9Multiple Choice

what happens if a fuse blow in a circuit

Nothing
current increase
stops the electrical flow
explodes
# 10Multiple Choice

Why is copper used in electrical wires

it is an insulator
cheap
good conductor
its light
# 11Multiple Choice

A wire arrives 3a of current for 10 seconds how much charge flows through it?

30c
13c
10c
3c
# 12Multiple Choice

How is electrical energy converted into heat in an electric iron?

Magnetic effect
Chemical reaction
Heating effect
Light emmision
# 13Multiple Choice

According to ohms law what happens when resistance increases while voltage stays the same

current increase
current decreases
currunt stays the same
voltage also increases
# 14Multiple Choice

2 resistors (10Ω an 20Ω) are connected in series across a 30V battery what is the total current

1A
2A
3A
0.5A
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