ASVAB Electronics Information Practice Test 448701 Results

	Your Results	Global Average
Questions	5	5
Correct	0	3.05
Score	0%	61%

Review

The ohm is a unit of measurement for:

81% Answer Correctly

	capacitance
	energy
	power
	resistance

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.

In an electronic circuit, a thermocouple can be used to:

42% Answer Correctly

	keep the circuit at a designated safe temperature
	open or close a circuit at a designated temperature
	increase or decrease the temperature of a component in the circuit
	link the temperature of one component in the circuit to that of another component in the circuit

Solution

A thermocouple is a temperature sensor that consists of two wires made from different conductors. The junction of these two wires produces a voltage based on the temperature difference between them and can be used like a switch to open or close the circuit at a designated temperature.

Which of the following is not a common type of battery?

41% Answer Correctly

	wet cell
	dry cell
	power-cycle
	deep-cycle

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. The three most common types of batteries are dry cell (used in small devices like TV remotes), wet cell (used for cars), and deep-cycle (storage batteries used primarily for backup and emergency power).

Which of the following statements about electrical resistance is true?

74% Answer Correctly

	the less resistive the conductor is the slower electron flow will be
	electrically conductive materials have no resistive properties
	the more resistive the conductor is the faster electron flow will be
	the more resistive the conductor is the slower electron flow will be

Solution

Resistance is opposition to the flow of current. As resistance increases, current decreases as resistance and current are inversely proportional.

A diode to an electronic circuit is like a _______________ to a city?

67% Answer Correctly

	traffic light
	highway
	one-way street
	parking lot

Solution

A diode allows current to pass easily in one direction and blocks current in the other direction.