45 Questions
What is the purpose of burning coal in a power plant?
To produce heat
What happens to the steam in a power plant?
It turns a turbine
What is the purpose of a step-up transformer?
To increase voltage before transmission
What is a common cause of power surges?
Lightning strikes and faulty wiring
What is the purpose of a surge protector?
To absorb excess voltage and safeguard appliances
What happens to the voltage and current in a step-down transformer?
Voltage decreases and current increases
Why are transformers crucial in managing voltage levels throughout the grid?
They enable efficient transmission and safe distribution of electricity
What is the final step in the process of generating and distributing electricity?
Electricity is distributed to homes and businesses
What is the primary purpose of a transformer in the national electricity grid?
To increase or decrease the voltage of an electric current
What type of power lines are used to transport electricity over long distances?
High-voltage power lines
What is the term for a sudden increase in voltage within an electrical circuit?
Power surge
What is the main function of pylons in the national electricity grid?
To support overhead power lines
Why is high voltage essential for electricity transmission?
To reduce energy loss due to resistance
What is the purpose of step-up transformers in the national electricity grid?
To increase the voltage at the power station for transmission
What is the national electricity grid?
A network of interacting components that provide electricity across a country
What is the primary function of transmission lines in the national electricity grid?
To transport electricity over long distances
What is the main purpose of power stations in the national electricity grid?
To generate electricity from various sources
What is the role of step-down transformers in the national electricity grid?
To decrease the voltage of an electric current
What is the primary component of the national electricity grid that ensures the delivery of electricity to consumers?
Transmission lines
What is the purpose of pylons in the national electricity grid?
To support overhead power lines
What is the main benefit of using high-voltage electricity for transmission?
To reduce energy loss due to resistance
What is the primary function of the national electricity grid?
To ensure the delivery of electricity from power stations to consumers
What is the primary purpose of heating water in a power plant?
To create steam
What would happen to electronic devices during a power surge?
They could be damaged by the sudden spike in voltage
What is the main benefit of using high-voltage transmission lines?
Reducing energy loss due to resistance
What is the function of grid monitoring in relation to power surges?
To detect power surges and cut off the power supply
What is the purpose of transformers in the electricity grid?
To manage voltage levels throughout the grid
What is the outcome of using step-up transformers before transmission?
Increased voltage and decreased current
What would be the effect of not using step-down transformers before distribution?
Electricity would be distributed at a higher voltage
What is the role of a turbine in a power plant?
To power a generator and produce electricity
What is the primary reason for generating high-voltage electricity in power stations?
To minimize energy loss during transmission
What is the main function of pylons in the national electricity grid?
To support overhead power lines
What happens to the voltage of the electric current when it reaches residential and commercial areas?
It decreases to a safe level
What is the primary benefit of using high-voltage transmission lines?
To minimize energy loss during transmission
What is the purpose of using transformers in the national electricity grid?
To regulate voltage levels
What is the outcome of not using step-down transformers before distribution?
The electricity would be unsafe for use
What is the primary function of the transmission lines in the national electricity grid?
To transport electricity over long distances
What is the primary reason for using high-voltage transmission lines in the national electricity grid?
To reduce energy loss due to resistance in transmission lines
What would be the outcome if step-up transformers were not used before transmission?
Increased energy loss due to resistance in transmission lines
What is the primary purpose of grid monitoring in relation to power surges?
To monitor voltage levels and detect power surges
What would happen to sensitive electronic devices during a power surge if surge protectors were not used?
They could be damaged or destroyed
What is the primary role of transformers in the national electricity grid?
To manage voltage levels throughout the grid
What is the outcome of using step-down transformers before distribution?
Decreased voltage and increased current
What is the primary cause of power surges in the national electricity grid?
Lightning strikes and faulty wiring
What is the outcome of not using surge protectors in households?
Sensitive electronic devices could be damaged or destroyed
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
