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Second Period Electrician > Power Relationships > Flashcards

Flashcards in Power Relationships Deck (9)
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1
Q

Power is defined as the ____ of doing work

A

rate

2
Q

What is the symbol for power?

A

P

3
Q

Power is measured in ____ and the abbreviation for the unit of measurement is _____

A

watts, W

4
Q

reactive power can be defined as:

A

the rate at which energy is stored and then returned back to the circuit

5
Q

what is the symbol for reactive power?

A

Q

6
Q

What is the unit of measurement for reactive power?

A

Volt Amperes reactive

7
Q

The product of current times voltage can always be called:

A

apparent power

8
Q

Define the term power factor

A

ratio between power and apparent power

9
Q

define the term phase angle

A

the angle between the power and the apparent power on a power triangle