# Auto 13 - Electrical Part II

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Quizzes Created: 5 | Total Attempts: 537
Questions: 5 | Attempts: 137

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The last quiz in the series! Congratulations!

• 1.

### When testing a fuse with an Ohmmeter, a good fuse should have….

• A.

High resistance

• B.

Low resistance

• C.

Fuses can’t be tested with an ohmmeter

• D.

Ohmmeters do not measure resistance

B. Low resistance
Explanation
Low resistance means current can flow, until too much shows up, then the trouble starts....

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• 2.

### A relay uses _________ to _____________?

• A.

Low voltage; activate a high voltage circuit

• B.

Low resistance; activate a high resistance circuit

• C.

High current; activate a low current circuit

• D.

Low current; activate a high current circuit

D. Low current; activate a high current circuit
Explanation
Basically, a small flashlight's worth of current can switch a high beam light level of current. It's a convenient way of controlling circuits.

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• 3.

### You’re adding 4 bush lights at 3 ohms each. What rating of fuse should you use to protect the new circuit? (use a “surge factor” of 1.5)

• A.

16 A

• B.

12 A

• C.

24 A

• D.

8 A

C. 24 A
Explanation
A = V/Ohms.
A = 12V/3 Ohms
A = 4
4A x 4 lights = 16A
16A x 1.5 (surge factor) = 24A

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• 4.

### For a higher current circuit you would want what sort of gauge wire?

• A.

Smaller gauge number

• B.

Larger gauge number

• C.

Doesn’t matter, because current isn’t affected by wire gauge

• D.

14 gauge wire is the best for high current circuits

A. Smaller gauge number
Explanation
In another example of technical backwardness, smaller gauge numbers means larger wire, which means more current can flow through it.

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• 5.

### In wiring diagrams and electrical schematic drawings, where is the positive side drawn?

• A.

Top

• B.

Bottom

• C.

Left hand side

• D.

Right hand side

A. Top
Explanation
As far as wiring diagrams are concerned, electricity flows (mostly) from top to bottom.

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