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WorksheetsCA Electricity Diagnostic
Total questions: 9
Worksheet time: 2hrs 5mins
When the distance between two electrical charges is tripled, what would be the effect on the original force?
The force would increase by x9
The force would increase by x3
The force would decrease by x1/3
The force would decrease by x1/9
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Which of the following lists only electrical insulators?
Rubber, plastic, gold
Rubber, plastic, cardboard
Copper, wet skin, tin
Aluminum, copper, paper
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The ammeter below shows the current of a circuit. If the resistance is 35Ω, what is the voltage?
525 V
.43 V
50 V
2.33 V
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A loudspeaker needs a household voltage of 185 V to push a current of 11.0 A through its coil. What is the power used?
196
.06 W
16.8 W
2035 W
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What is the equivalent resistance of the following circuit?
15 Ω
2.35 Ω
.425 Ω
23 Ω
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What does this image represent?
Generator
Motor
Step Up Transformer
Step Down Transformer
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Which of the following remains constant throughout a series circuit?
Voltage
Current
Resistance
Nothing remains constant
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A student is testing whether a glass rod and a copper rod can be charged by induction or conduction. Given that glass is an insulator, which of the following are the results of the experiment regarding the glass rod?
The glass rod can be charged by induction and conduction.
The glass rod can be charged by induction.
The glass rod can be charged by conduction.
The glass rod can be charged by neither conduction nor induction.
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Which action will not induce a potential difference in a coil of wire?
Moving a magnet through a coil
Holding the coil in a changing magnetic field
Holding the coil in a stationary magnetic field
Moving the coil and a magnet toward each other
