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906680
OCR Gateway P2a Quiz
Description
Quiz on OCR Gateway P2a Quiz, created by Zaaaara on 20/05/2014.
Quiz by
Zaaaara
, updated more than 1 year ago
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Created by
Zaaaara
almost 10 years ago
56
2
0
Resource summary
Question 1
Question
Photocells are renewable energy source
Answer
True
False
Question 2
Question
A photocell contains two pieces of silicon joined together to make a P-Q Junction
Answer
True
False
Question 3
Question
One piece of the silicon has an impurity added to produce an excess of free electrons - P Junction
Answer
True
False
Question 4
Question
Sunlight contains energy packets called:
Answer
Electrons
Photons
Question 5
Question
The output from a photocell depends on:
Answer
The Light Intensity
The type of light used
Question 6
Question
The sun is very hot and produces...
Answer
Gamma Rays
Microwaves
Infrared
Question 7
Question
The problem with Wind Turbines is...
Answer
They are expensive
The amount of electricity generated depends on the strength of the wind
They are dangerous
Question 8
Question
Infrared Radiations pass through windows as short wavelengths
Answer
True
False
Question 9
Question
Glass _________ this longer wavelength radiation back inside the building.
Answer
Refracts
Reflects
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