WorksheetsQUIZ 3 (Class 6)
Total questions: 15
Worksheet time: 15mins
What are the simple sources of electricity mentioned?
Batteries, accumulators, and dynamo
Generators and solar cells
Wind turbines and solar panels
Coal and natural gas
What is a battery?
A device that converts mechanical energy into electrical energy
A portable source of electrical energy based on a chemical reaction
A type of solar energy collector
A rechargeable energy storage device
What type of battery is commonly used in portable electronic devices?
Lead-acid battery
Lithium-Ion (Li-ion) battery
Nickel-Cadmium battery
Alkaline battery
What is the main difference between Li-ion and LiPo batteries?
Li-ion batteries are rechargeable, LiPo are not
LiPo batteries have a flexible packaging
Li-ion batteries are used in drones, LiPo are not
There is no difference
What is the purpose of a 9V battery?
Used in high-power devices
Used in smoke detectors and low-power devices
Used in electric vehicles
Used in solar panels
What is an accumulator?
A type of disposable battery
A type of rechargeable battery that can be reused
A device that generates electricity
A type of solar cell
How does a generator work?
By converting electrical energy into mechanical energy
By converting mechanical energy into electrical energy
By using solar energy to generate electricity
By using chemical reactions to produce energy
What is the function of solar cells?
To store electrical energy
To convert sunlight into electrical energy
To generate electricity from wind
To produce chemical energy
What is a dynamo?
A device that converts sunlight into electricity
A device for generating electrical energy using metal wheels
A type of rechargeable battery
A solar energy collector
What are Hydrocentrals?
What are Thermocentrals?
What are Solar Panels?
Advatanges Hydrocentrals over Thermocentrals?
Main Adtvantages of solar Panels?
Disatavanges of Thermocentrals?
