Which one of the following is the unit of power?
joule
kelvin
kilogram
watt - Leaving Cert Physics - Question c - 2005
Question c
Which one of the following is the unit of power?
joule
kelvin
kilogram
watt
Worked Solution & Example Answer:Which one of the following is the unit of power?
joule
kelvin
kilogram
watt - Leaving Cert Physics - Question c - 2005
Step 1
Identify the unit of power
96%
114 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The correct answer to the question is 'watt.' Power is defined as the rate at which work is done or energy is transferred. The unit of power in the International System of Units (SI) is the watt (W), which is equivalent to one joule per second.
Step 2
Explain other options
99%
104 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Joule: This is a unit of energy, not power. It represents the amount of work done when a force of one newton displaces an object by one meter.
Kelvin: This is a unit of temperature and has no relation to power.
Kilogram: This is a unit of mass and also does not relate to power.
Join the Leaving Cert students using SimpleStudy...
