ASVAB Electronics Information Practice Test 867254 Results

Your Results Global Average
Questions 5 5
Correct 0 3.56
Score 0% 71%

Review

1

What is the primary difference between a rectifier and an inverter?

61% Answer Correctly

a rectifier strips out the AC portion of electricity while an inverter strips out the DC portion

a rectifier converts an AC input to DC while an inverter converts a DC input to AC

a rectifier converts a DC input to AC while an inverter converts an AC input to DC

a rectifier strips out the DC portion of electricity while an inverter strips out the AC portion
Solution

A diode allows current to pass easily in one direction and blocks current in the other direction. Diodes are commonly used for rectification which is the conversion of alternating current (AC) into direct current (DC). Because a diode only allows current flow in one direction, it will pass either the upper or lower half of AC waves (half-wave rectification) creating pulsating DC. Multiple diodes can be connected together to utilize both halves of the AC signal in full-wave rectification.

2 A circuit with a 120-volt power supply is protected by a 5-amp circuit breaker. What is the largest number of watts loads on this circuit can safely use?
85% Answer Correctly
1800 W
300 W
608 W
600 W
Solution
Wattage is current multiplied by voltage: W = IV. So, the maximum amount of power a 120-volt circuit with a 5A circuit breaker would allow is 120V x 5A = 600 W.
3

This circuit diagram represents a(n):

69% Answer Correctly

series-parallel circuit

open circuit

parallel circuit

series circuit
Solution

A series circuit has only one path for current to flow. In a series circuit, current (I) is the same throughout the circuit and is equal to the total voltage (V) applied to the circuit divided by the total resistance (R) of the loads in the circuit. The sum of the voltage drops across each resistor in the circuit will equal the total voltage applied to the circuit.

4

Which of the following allows current to pass easily in one direction and blocks current in the other direction?

69% Answer Correctly

inductor

diode

resistor

capacitor
Solution

A diode allows current to pass easily in one direction and blocks current in the other direction. Diodes are commonly used for rectification which is the conversion of alternating current (AC) into direct current (DC). Because a diode only allows current flow in one direction, it will pass either the upper or lower half of AC waves (half-wave rectification) creating pulsating DC. Multiple diodes can be connected together to utilize both halves of the AC signal in full-wave rectification.

5

This circuit component symbol represents a(n):

72% Answer Correctly

diode

inductor

transistor

capacitor
Solution

A diode allows current to pass easily in one direction and blocks current in the other direction. Diodes are commonly used for rectification which is the conversion of alternating current (AC) into direct current (DC). Because a diode only allows current flow in one direction, it will pass either the upper or lower half of AC waves (half-wave rectification) creating pulsating DC. Multiple diodes can be connected together to utilize both halves of the AC signal in full-wave rectification.