solar panel efficency

Interactive Video
•
Science
•
9th Grade
•
Hard
Standards-aligned
Alfred Allen
FREE Resource
Standards-aligned
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
1. What is the efficiency of solar cells typically expressed in?
a. Watts
b. Kilowatts
c. Percentage
d. Joules
Answer explanation
The formula to calculate energy efficiency as a percentage is: (Useful Energy Output / Total Energy Input) x 100%
Tags
NGSS.HS-PS3-3
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
2. How much solar power is assumed to hit one square meter of solar panel in the video?
a. 500 watts
b. 800 watts
c. 1000 watts
d. 1200 watts
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3. What is the efficiency of the crystalline solar cells mentioned in the video?
a. 20%
b. 22%
c. 25%
d. 28%
Tags
NGSS.HS-PS3-3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4. Based on the video, how much electrical output is expected from the solar module under ideal conditions?
a. 220 watts
b. 250 watts
c. 280 watts
d. 300 watts
Tags
NGSS.HS-PS3-3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5. What happens to the remainder of the solar power that is not converted into electrical energy?
a. It is stored in batteries
b. It bounces back into the atmosphere or is converted into thermal energy
c. It is lost completely
d. It is converted into solar fuel
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