ASVAB Electronics Information Practice Test 187506 Results

Your Results Global Average
Questions 5 5
Correct 0 3.27
Score 0% 65%

Review

1

Which of the following is a difference between a circuit breaker and a fuse?

80% Answer Correctly

a circuit breaker can be reused

a fuse responds more quickly than a circuit breaker

a fuse is cheaper than a circuit breaker

all of these
Solution

Like fuses, circuit breakers stop current flow once it reaches a certain amount. They have the advantage of being reusable (fuses must be replaced when "blown") but respond more slowly to current surges and are more expensive than fuses.

2

One of the lights on your Christmas tree burns out and this causes the rest of the lights connected to that strand to go dark. How are the lights in that strand connected?

74% Answer Correctly

perpendicular

parallel

series

series-parallel
Solution

Lights connected in series form a chain with each light connecting to adjacent lights via one wire. Therefore, if one of the lights burns out and breaks the series, none of the other lights will receive power and they'll go dark. Lights connected in parallel each connect to the positive and negative nodes of the power source and would not go dark if one of their neighbors burnt out.

3

Voltage and current are __________ proportional.

66% Answer Correctly

not

directly

indirectly

inversely
Solution

Voltage (V) is the electrical potential difference between two points. Electrons will flow as current from areas of high potential (concentration of electrons) to areas of low potential. Voltage and current are directly proportional in that the higher the voltage applied to a conductor the higher the current that will result.

4

The diameter of a number 12 wire is __________ the diameter of a number 6 wire?

51% Answer Correctly

more than

less than

double

triple
Solution

The larger the number the smaller the diameter of the wire. So, the diameter of a number 12 wire is less than the diameter of a number 6 wire.

5

This circuit component symbol represents a(n):

57% Answer Correctly

transformer

DC source

AC source

capacitor
Solution

Direct current flows in only one direction in a circuit, from the negative terminal of the voltage source to the positive. A common source of direct current (DC) is a battery.