ASVAB Electronics Information Practice Test 526196 Results

	Your Results	Global Average
Questions	5	5
Correct	0	3.48
Score	0%	70%

Review

1 What's the overall power consumption of a piece of equipment that is rated for 7 amps at 20 volts?

85% Answer Correctly

	140 W
	70 W
	280 W
	46 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 7 amps (I) at 20 volts (V) so the equation becomes P = \( 20 \times 7 \) = 140 W

From what energy do photovoltaic cells produce electrical energy?

68% Answer Correctly

	magnetic
	sun
	chemical
	nuclear

Solution

A photovoltaic cell (also known as a solar cell) converts energy from the sun into electrical energy.

Which of the following is the preferred method for splicing wires?

57% Answer Correctly

	soldering
	screw-on connectors
	wrap in small gauge wire
	wire crimps

Solution

Splicing is permanently joining two wires together. Splicing can be done with screw-on connectors or wire crimps but the preferred method for splicing is soldering. Soldering takes the most effort but results in a connection that is electrically and mechanically identical to the original wire.

Resistance is opposition to which of the following?

70% Answer Correctly

	voltage
	conductance
	impedance
	current

Solution

Resistance is opposition to the flow of current and is measured in ohms (Ω). One ohm is defined as the amount of resistance that will allow one ampere of current to flow if one volt of voltage is applied. As resistance increases, current decreases as resistance and current are inversely proportional.

The most common circuit configuration is:

58% Answer Correctly

	series
	parallel
	series-parallel
	household

Solution

Circuits are not limited to only series or only parallel configurations. Most circuits contain a mix of series and parallel segments. A good example is a household circuit breaker. Electrical outlets in each section of the house are wired in parallel with the circuit breaker for that section wired in series making it easy to cut off electricity to the parallel parts of the circuit when needed.