UNIT 2: Electrical Quantities & Ohm’s Law

Question 1

Conventional current flow theory states that current flows from the most _____

Answer 1

positive point to the most negative

Question 2

Voltage is another term for ____

Answer 2

electromotive force (EMF)

Question 3

If a circuit is open, then current will _____

Answer 3

not flow

Question 4

The unit of resistance to current flow is the ____

Answer 4

ohm

Question 5

The neutral conductor is also referred to as the ______

Answer 5

grounded conductor

Question 6

The amount of electrical power being used in a circuit is measured with ____

Answer 6

watts

Question 7

The amount of potential necessary to cause 1 coulomb to produce 1 joule of work is a ____

Answer 7

volt

Question 8

The statement, “In a DC circuit, the current is directly proportional to voltage and inversely proportional to resistance,” is known as _______

Answer 8

Ohm’s Law

Question 9

A complete circuit is often referred to as a ______

Answer 9

closed circuit

Question 10

The theory concerning current flow that is most widely accepted as being correct is the __________

Answer 10

electron flow theory

Question 11

______ causes a wire to become warm when current flows through it

Answer 11

Resistance