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WorksheetsPractice Circuits
Total questions: 27
Worksheet time: 14mins
Which switches can be open and still allow all the motors to run, buzzers to make sound, and lights to be on?
Switch 1 and 4
Switch 1 and 3
Switch 2 and 3
Switch 3 and 4
Why does the following circuit not work?
The light bulb is broken
The switch is closed
The wood block is an insulator
The battery is dead
What unit is used to measure current?
Ohms
Omega
Volts
Amps
What unit is used to measure voltage?
Ohms
Omega
Volts
Amps
What unit is used to measure resistance?
Ohms
Omega
Volts
Amps
What is Ohm's Law?
a time to meditate...ohmmmm.
a relationship between resistance, current, and voltage
the relationship between current, voltage and charge
the relationship between voltage, resistance, and charge
If a toaster produces 12 ohms of resistance in a 120-volt circuit, what is the amount of current in the circuit?
10 amps
1440 amps
0.1 amps
1 amp
What is this symbol?
Ammeter
Wire
Bulb
Voltmeter
What is this symbol?
Wire
Bulb
Buzzer
Ammeter
If L2 is unscrewed from its holder, what will happen to L1?
It will stay lit
It will go out
It will get dimmer
It will disappear
What is this Symbol?
Motor
Voltmeter
Ammeter
Buzzer
Is this a Series or Parallel Circuit?
Series
Parallel
Current is...
how fast the electrons are moving
the flow of electrical charge
the power source
the amount of energy gained/lost across two points
Voltage is...
the power
the flow of electrical charge
the amount of energy gained or lost across two points
what opposes the flow of current
If the voltage is 30 volt and current is 10 amps in a circuit, how much is the resistance of the light bulb?
3 ohms
300 ohms
0.3 ohms
