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WorksheetsPhysics Test 11
Total questions: 12
Worksheet time: 3hrs 0mins
Which type of electrical circuit is this?
series
parallel
auxiliary
blank
An electrical device on a series circuit with a resistance of 3.0 Ω will allow a current of 3.0 amps to flow through it if the voltage is:
9.0 volts
12.0 volts
1.0 volts
1.5 volts
When a voltage of 120 V is impressed across an electric heater, a current of 20.0 amps will flow through the heater if the resistance is:
6.0 Ohms
2400 Ohms
0.17 Ohms
1.5 Ohms
A flashlight that is powered by 1.5 volts and uses a bulb with a resistance of 20 Ω will have a current of:
0.075 amps
1.33 amps
30 amps
20 amps
What is the resistance in this circuit?
0.03 Ohms
3.3 Ohms
300 Ohms
0.0 Ohms
This circuit has a current of 10.0 amps with a total resistance of 6 ohms. What is the voltage of the battery?
60 volts
1.67 volts
0.6 volts
12 volts
What is the voltage of the battery in this circuit?
10.7 volts
105 volts
9.0 volts
12.0 volts
If the battery in this circuit is producing 9.0 volts, what is the current in the left loop?
0.09 amps
900 amps
11.1 amps
30 amps
Why is electrical wiring usually covered with a layer of plastic?
To make it look pretty
To help electricity flow along the wire
To make it safe
To add more energy
Which switch or switches must be closed to make the lamps light?
Switch 1
Only switch 1
Switches 1 and 2
Switches 1 , 2 and 3
If lamp 1 is unscrewed from its holder, what will happen to lamp 2?
It will get brighter
It will stay the same brightness
It will go out
It will explode
This circuit is:
open
parallel
closed
old
