What is the primary source of energy for solar power?
a) Nuclear fission
b) The Sun
c) Geothermal heat
d) Wind currents
Which type of energy conversion takes place in a wind turbine?
a) Electrical to mechanical
b) Mechanical to thermal
c) Kinetic to electrical
d) Chemical to thermal
Which law of physics explains why wind turbines generate electricity?
a) Newton’s First Law
b) Faraday’s Law of Electromagnetic Induction
c) Boyle’s Law
d) Charles’s Law
Which form of renewable energy utilizes the Earth’s internal heat?
a) Hydropower
b) Geothermal energy
c) Biomass energy
d) Tidal energy
Which of the following is a disadvantage of solar energy?
a) Limited availability of sunlight at night
b) High carbon emissions
c) Low energy efficiency
d) Requires fossil fuels to operate
Which device is used to convert solar energy into electricity?
a) Wind turbine
b) Solar panel
c) Geothermal pump
d) Hydroelectric dam
Which type of renewable energy is generated using the movement of water?
a) Biomass
b) Hydropower
c) Geothermal
d) Solar thermal
Which physical principle is used in hydropower generation?
a) Pascal’s Principle
b) Bernoulli’s Principle
c) Conservation of Energy
d) Hooke’s Law
What is the primary component in a photovoltaic cell?
a) Copper
b) Silicon
c) Aluminum
d) Graphite
What kind of energy is stored in biomass?
a) Kinetic energy
b) Chemical energy
c) Thermal energy
d) Electrical energy
Which form of renewable energy depends on the gravitational pull of the moon?
a) Solar energy
b) Tidal energy
c) Wind energy
d) Geothermal energy
What is the efficiency range of commercial solar panels?
a) 5-10%
b) 15-25%
c) 30-50%
d) 50-70%
Which energy conversion occurs in a hydroelectric power plant?
a) Kinetic to electrical
b) Chemical to thermal
c) Thermal to mechanical
d) Electrical to nuclear
Which type of renewable energy is generated from organic waste materials?
a) Wind power
b) Biomass energy
c) Tidal energy
d) Solar energy
What is the primary factor affecting wind energy production?
a) Wind speed
b) Soil quality
c) Water availability
d) Temperature
Which energy source is considered the most reliable for continuous power generation?
a) Wind energy
b) Solar energy
c) Geothermal energy
d) Biomass energy
Which law of thermodynamics is most relevant to energy conversion in renewable sources?
a) First Law of Thermodynamics
b) Second Law of Thermodynamics
c) Third Law of Thermodynamics
d) Zeroth Law of Thermodynamics
What is the primary factor affecting tidal energy generation?
a) Earth’s magnetic field
b) Temperature variations
c) Gravitational pull of the Moon and Sun
d) Wind direction
Which part of a wind turbine converts mechanical energy into electrical energy?
a) Rotor
b) Gearbox
c) Generator
d) Blades
What is the primary environmental concern of large-scale hydropower plants?
a) Air pollution
b) Disruption of aquatic ecosystems
c) Carbon emissions
d) Soil erosion
Which property of semiconductors is used in photovoltaic cells?
a) Thermal expansion
b) Electron-hole pair generation
c) Ferromagnetism
d) Elasticity
Which of the following is NOT a form of renewable energy?
a) Wind power
b) Nuclear power
c) Geothermal power
d) Solar power
Which of the following renewable energy sources is most dependent on geographic location?
a) Solar energy
b) Wind energy
c) Geothermal energy
d) Biomass energy
Which type of solar energy system uses mirrors to focus sunlight?
a) Photovoltaic cells
b) Passive solar heating
c) Concentrated solar power (CSP)
d) Solar water heaters
What is the unit of measurement for wind turbine power output?
a) Joules
b) Watts
c) Volts
d) Newtons
Which of the following is an advantage of geothermal energy?
a) Produces large amounts of greenhouse gases
b) Limited by weather conditions
c) Provides a consistent energy source
d) Requires extensive fuel supply
What is the main drawback of wind energy?
a) High carbon emissions
b) Noise pollution
c) High fuel costs
d) Dependence on fossil fuels
Which renewable energy source has the highest energy density?
a) Solar power
b) Hydropower
c) Biomass
d) Geothermal power
Which physical quantity is most important in determining the efficiency of a solar panel?
a) Voltage
b) Temperature
c) Incident light intensity
d) Mass
