Free AFCT Electronics Information Questions and Answers

Question 1

What is the primary function of a capacitor in an electronic circuit?

Accepted Answer

To store electrical energy

Answer

To resist the flow of current

Answer

To amplify the electrical signal

Answer

To convert alternating current to direct current

Question 2

A technician measures a current of 2 amperes (A) flowing through a component with a resistance of 6 ohms (Ω). According to Ohm's Law, what is the voltage across the component?

Accepted Answer

12 V

Answer

3 V

Answer

8 V

Answer

0.33 V

Question 3

Which of the following materials is considered the best electrical conductor commonly used in wiring?

Accepted Answer

Copper

Answer

Rubber

Answer

Glass

Answer

Wood

Question 4

In a simple series circuit, three resistors are connected to a power source. If a fourth resistor is added to this series circuit, what happens to the total resistance?

Accepted Answer

It increases.

Answer

It decreases.

Answer

It stays the same.

Answer

It becomes zero.

Question 5

To correctly measure the voltage drop across a single resistor in a powered circuit, how must a voltmeter be connected?

Accepted Answer

In parallel with the resistor

Answer

In series with the resistor

Answer

With the circuit power turned off

Answer

Touching only one lead of the resistor

Question 6

In a standard American (ANSI) circuit schematic, which of the following components is represented by a zigzag line symbol?

Accepted Answer

A resistor

Answer

A capacitor

Answer

A diode

Answer

A battery