Power: Equations and Example
About the Lecture
The lecture Power: Equations and Example by Jared Rovny, PhD is from the course Work.
Included Quiz Questions
Which statement correctly explains the equation W = P × t?
- Work is equal to the applied power multiplied by time.
- The Watts used are equal to the applied power multiplied by time.
- The work done is equal to the applied momentum multiplied by time.
- The Watts used are equal to the applied power multiplied by the time of motion.
- The work done is equal to the applied power multiplied by the inverse of time.
A 60 Watt light-bulb uses 1.2 kWh of energy. How long was the light-bulb turned on?
- 20 hours
- 200 hours
- 20 minutes
- 200 minutes
- 2 hours
What is kWh in terms of Joules?
- 1 kWh = 3.6 × 10⁶ J
- 1 kWh = 3.6 × 10⁶ kJ
- 1 kWh = 1000 J
- 1 kWh = 3.6 × 10³ J
- 1 kWh = 1.8 × 10⁶ J
These courses may be of interest to you
Author of lecture Power: Equations and Example
Jared Rovny, PhD
Customer reviews
5,0 of 5 stars
| 5 Stars |
|
5 |
| 4 Stars |
|
0 |
| 3 Stars |
|
0 |
| 2 Stars |
|
0 |
| 1 Star |
|
0 |
