Physics P2

Alice 8956
Quiz by Alice 8956, updated more than 1 year ago
Alice 8956
Created by Alice 8956 over 6 years ago
281
17

Description

OCR Gateway science, Physics, GCSE - revision resource for P2

Resource summary

Question 1

Question
What are the advantages of photocells?
Answer
  • Robust
  • do not need maintenance
  • no fuel needed
  • no long power cables needed
  • no pollution
  • do not contribute to global warming
  • use a renewable energy resource
  • They do not work when dark or cloudy
  • They produce no CO2 emissions in their total product lifetime

Question 2

Question
Photocells are made of a conductive material - silicon
Answer
  • True
  • False

Question 3

Question
Glass is transparent to...
Answer
  • Short wavelength radiation
  • Long wavelength radiation

Question 4

Question
Solar reflectors are moved by the computer to ensure that they are always facing the sun
Answer
  • True
  • False

Question 5

Question
The energy produced by a wind farm depends upon...
Answer
  • the size of the wind turbine
  • the speed of the wind
  • the direction of the wind

Question 6

Question
Some people hate wind turbines because they spoil the view
Answer
  • True
  • False

Question 7

Question
The current from a dynamo can be increased by...
Answer
  • Using a stronger magnet
  • Increasing the number of turns on the coil
  • Rotating the magnet faster
  • Using thinner wire to decrease resistance
  • Increase the surrounding temperature
  • Slowing down the magnet
  • Moving the magnet up and down, as well as rotating it
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