ASVAB Electronics Information Practice Test 291183 Results

Your Results Global Average
Questions 5 5
Correct 0 3.53
Score 0% 71%

Review

1 What's the overall power consumption of a piece of equipment that is rated for 9 amps at 80 volts?
80% Answer Correctly
1080 W
720 W
360 W
1440 W
Solution
Power is measured in watts (W) and 1 watt equals 1 ampere multiplied by 1 volt: P = \( V \times I \). For this problem, the equipment is rated for 9 amps (I) at 80 volts (V) so the equation becomes P = \( 80 \times 9 \) = 720 W
2

The electrical potential difference between two points is called:

60% Answer Correctly

current

voltage

resistance

conductance
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.

3

Using a fuse with a current rating higher than that required by a circuit:

70% Answer Correctly

is required

is recommended

makes no difference

makes the circuit less safe
Solution

A fuse is a type of low resistance resistor that stops current flow in a circuit in response to a larger than intended electric current flow. Using a fuse with a higher current rating than required by a circuit is less safe as it could potentially allow overcurrent and risk a fire or heat-related equipment damage.

4

What is the voltage of most household electrical systems in the United States?

59% Answer Correctly

220V

110V

60V

60Hz
Solution

Most households use electricity with a voltage of 110V.

5

The conductivity of an element depends on how many electrons occupy which electron shell?

78% Answer Correctly

inner

middle

first

outer
Solution

All electricity is the movement of electrons which are subatomic particles that orbit the nucleus of an atom. Electrons occupy various energy levels called shells and how well an element enables the flow of electrons depends on how many electrons occupy its outer (valence) electron shell.