Basic Electronics- Voltage and Current MCQs

Question 1

An atom of a semiconductor has _______________ electrons in the valence shell.

Accepted Answer

4

Answer

8

Answer

2

Answer

0

Question 2

An atom with more electrons than protons is ___.

Accepted Answer

a negative ion

Answer

a positive ion

Answer

a balanced atom

Answer

not possible

Question 3

All resistors can be placed into one of two main categories: ___ or ___.

Accepted Answer

fixed, variable

Answer

carbon film, metal film

Answer

wire wound, carbon-composition

Answer

insulator, semiconductor

Question 4

Voltage is _________.

Accepted Answer

the force that exists between charged particles

Answer

the opposition to the flow of current

Answer

the movement of free electrons

Answer

the force that causes water to flow

Question 5

A ___ resistor has color bands of yellow, violet, yellow, gold.

Accepted Answer

470 komega.gif 5%

Answer

470 omega.gif 5%

Answer

5.7 Momega.gif 5%

Answer

37 komega.gif 5%

Question 6

The unit for resistance is the ___ and the symbol for resistance is ___.

Accepted Answer

ohm, R

Answer

ampere, R

Answer

volt, Q

Answer

ohm, J