Introduction to Electronics

Question 1

generated from the motion of tiny charged atomic particles called electrons and protons

Answer 1

electricity

Question 2

the movement of electrical charge

Answer 2

current

Question 3

opposition to current flow measured in ohms

Answer 3

resistance

Question 4

a measure of electrical force

Answer 4

voltage

Question 5

substances, such as metals, that have little resistance to electricity

Answer 5

conductors

Question 6

substances, such as wood, rubber, glass, and bakelite, that have high resistance to electricity

Answer 6

insulators

Question 7

a conductive connection to the earth which acts as a protective measure

Answer 7

grounding

Question 8

when two wires have different potential differences (voltages), current will flow if they are connected together

Answer 8

electrical shock

Question 9

it is the most common shock-related, nonfatal injury

Answer 9

electrical burns

Question 10

occurs when you touch electrical wiring or equipment that is improperly grounded

Answer 10

electrical burns

Question 11

serious injury that needs immediate attention

Answer 11

electrical burns

Question 12

indirect secondary injury, elevated locations who experience a shock can fall, resulting in serious injury or death

Answer 12

falls

Question 13

can be felt by the body

Answer 13

1 mA

Question 14

minor shock, might result in a fall

Answer 14

2-10 mA

Question 15

loss of muscle control

Answer 15

10-25 mA

Question 16

painful, may lead to collapse or death

Answer 16

25-75 mA

Question 17

last for 1 second, almost always fatal

Answer 17

75-300 mA