Technician A says a change in circuit resistance will change the amount of current in the circuit. Technician B says a change in circuit voltage will change the amount of current in the circuit. Who is right?
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15
Why are many automotive circuits frame-ground circuits?
Using the vehicle frame for ground saves wiring because a return wire does not have to be used to carry current back to the power source.
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20
True or False? Most automotive electrical problems are casued by a change in circuit resistance.
True
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15
In a one-wire circuit, the vehicle's _____ serves as a large conductor to carry current.
frame
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20
A 12-volt circuit has a resistance of 2 ohms. How much current is in the circuit?
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20
E represents ______________________.
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lifesaver
Give 20 points!
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seesaw
Swap points!
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rocket
Go to first place!
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lifesaver
Give 20 points!
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monster
Reset all scores!
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gift
Win 25 points!
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gift
Win 15 points!
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baam
Lose 20 points!
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15
When a switch is ________________________, current cannot flow through it.
open
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20
Technician A says current is the same everywhere in a series circuit. Technician B says current is the same in each branch of a parallel circuit. Who is right?
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15
In what way is a parallel circuit different from a series circuit?
A parallel circuit has more than one path for current flow. A series circuit has only one path for current flow.
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20
Technician A says a series circuit has only one path for current. Technician B says a series circuit can have only one load. Who is right?
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20
If voltage rises what a happens to current?
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trap
No points!
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magnet
Take 10 points!
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gift
Win 20 points!
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lifesaver
Give 25 points!
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15
In which type of circuit can you find total resistance by adding all of the individual resistances?