Q.1

The abundance of electrons would imply a negative charge.

  • True
  • False
Q.2

A multimeter measures only voltage.

  • True
  • False
Q.3

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

  • 4
  • 8
  • 2
  • 0
Q.4

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

  • ampere, R
  • ohm, R
  • volt, Q
  • ohm, J
Q.5

A basic electric circuit is made up of what components?

  • A load, a resistor, and a conductive path for current
  • A voltage source, a load, and a conductive path for current
  • A voltage source, a conductive path for current, and a battery
  • A conductive path for current, a battery, and a copper wire
Q.6

The abundance of electrons would imply a negative charge.

  • True
  • False
Q.7

How many valence shell electrons are there in semiconductor atoms?

  • 16
  • 8
  • 4
  • 2
Q.8

If 40 C of charge flow past a point in 20 s, what is the current?

  • 2 A
  • 0.5 A
  • 20 A
  • 40 A
Q.9

If a fluid system is compared to an electrical system, the fluid pump will correspond to a:

  • conductor
  • lamp
  • battery
  • insulator
Q.10

Primary batteries, unlike secondary batteries, may be:

  • charged once
  • used once
  • recharged over and over
  • stored indefinitely
Q.11

The basic difference between a fuse and a circuit breaker is

  • a fuse is slower
  • a fuse is reusable
  • a circuit breaker is reusable
  • a circuit breaker is more reliable
Q.12

The term used to designate electrical pressure is:

  • voltage
  • current
  • resistance
  • conductance
Q.13

An ammeter is used to measure

  • voltage
  • current
  • resistance
  • All of the above
Q.14

When considering conventional current versus electron current flow:

  • electron current flow came first
  • protons move in conventional current flow
  • conventional current flow came first
  • the direction of current is the same in both methods
Q.15

Batteries differ from fuel cells in that

  • a battery is a closed system
  • a battery uses hydrogen and oxygen to create electricity
  • a battery uses a polymer electrolyte membrane
  • none of the above
Q.16

The removal of a non-neutral subatomic particle converts the atom into a:

  • charged ion
  • nucleus
  • heavier element
  • compound
Q.17

What are the unit and symbol for current?

  • Ampere, A
  • Coulomb, I
  • Ampere, Q
  • Ampere, I
Q.18

Which electronics material opposes the movement of free electrons?

  • Conductor
  • Insulator
  • Semiconductor
  • Element
Q.19

What is the name of the pressure that moves electrons in a closed circuit?

  • amperes
  • ohms
  • voltage
  • coulombs
Q.20

Current is:

  • the presence of a positive charge
  • the abundance of electrons
  • the movement of electrons
  • the repulsion of electrons
0 h : 0 m : 1 s