Exercise 19

Question 1

One word for the variable in an experiment that is measurement

Answer 1

dependent variable

Question 2

What is another term for voltage

Answer 2

potential difference

Question 3

The term for the flow of charge

Answer 3

current

Question 4

The meter with which current is measured

Answer 4

ammeter

Question 5

What is the symbol for current

Answer 5

I

Question 6

What is the symbol for resistance

Answer 6

R

Question 7

The unit for potential difference

Answer 7

voltage

Question 8

What is a substance that conduct electrical current

Answer 8

conductor

Question 9

What is the unit of resistance

Answer 9

Ohm

Question 10

What is the term for a poor conductor of electrical current

Answer 10

Resistor

Question 11

What is required for current to flow?

Answer 11

A source for energy and a closed circuit is required for a current to flow

Question 12

Describe a rheostat

Answer 12

An adjustable resister

Question 13

Describe a Conductor

Answer 13

Any material that can conduct electricity, offers little resistance and is usually made from metals

Question 14

Describe a resistor

Answer 14

A material that has a high resistance to the flow of charge, its a weak conductor and slows down the flow of current

Question 15

How do the readings of voltmeters compare that have been connected over a parallel resistance

Answer 15

Its the same

Question 16

How do the readings of ammeters compare in a series circuit

Answer 16

Its the same