Public learning track
The National Grid and Power Transmission
10th Grade · Science · UK GCSE
6 lessons
Goal
Explain the architecture of the National Grid and why high-voltage power transmission enhances efficiency.
6 lessons
0 of 6 done
- 1Architecture of the UK National Grid SystemUp nextStart
- 2Why Transmitting at High Voltages Reduces Energy LossPremiumNot started yet
- 3Step-Up and Step-Down Transformers: FunctionsNot started yet
- 4Calculating Power Loss in Grid CablesNot started yet
- 5Meeting Fluctuating Domestic and Industrial Energy DemandsNot started yet
- 6Safety and Environmental Considerations in Power TransmissionNot started yet
Standards Covered
- UK-GCSE-SCIENCE-PHYS-ELE-04General Certificate of Secondary Education (GCSE) · Science · Year 11 (GCSE) · Grade 10Energy transfers
- UK-GCSE-SCIENCE-PHYS-ELE-04-03General Certificate of Secondary Education (GCSE) · Science · Year 11 (GCSE) · Grade 10recall that, in the national grid, electrical power is transferred at high voltages from power stations, and then transferred at lower voltages in each locality for domestic use, and explain how this system is an efficient way to transfer energy
- UK-GCSE-SCIENCE-PHYS-ELE-05-01General Certificate of Secondary Education (GCSE) · Science · Year 11 (GCSE) · Grade 10apply the equations relating p.d., current, quantity of charge, resistance, power, energy, and time, and solve problems for circuits which include resistors in series, using the concept of equivalent resistance (1c, 3b, 3c, 3d)
Curriculum Framework
10th Grade · Science · UK GCSE
1
10 lessons
Electric Charge, Current, and Potential Difference
Master the fundamental concepts of electric charge, current flow, and potential difference in simple direct-current circuits.
2
8 lessons
Resistance and I-V Characteristics
Investigate electrical resistance, apply Ohm's law, and analyse the current-voltage graphs of linear and non-linear components.
3
8 lessons
Series and Parallel Circuit Analysis
Analyse current, potential difference, and total resistance in series and parallel circuits using rules and quantitative calculations.
4
7 lessons
Sensing Circuits and Control Components
Understand how thermistors and LDRs function and how they are integrated into potential divider sensing circuits.
5
8 lessons
Domestic Electricity and Mains Safety
Master the principles of UK mains supply, alternating current, three-pin plug wiring, and electrical safety mechanisms.
6
8 lessons
Electrical Power, Energy Transfers, and Efficiency
Calculate electrical power and energy dissipation in domestic appliances and examine energy transfers to motors and heaters.
7
6 lessons
The National Grid and Power Transmission
Explain the architecture of the National Grid and why high-voltage power transmission enhances efficiency.
8
7 lessons
Permanent and Induced Magnetism
Explore magnetic poles, field patterns, magnetic materials, and Earth's magnetic core.
9
10 lessons
Electromagnetism and the Motor Effect
Examine how electric currents produce magnetic fields, build solenoids, and apply the motor effect.
10
6 lessons
Quantitative Circuit Equations and Calculations Mastery
Master multi-equation problem solving combining charge, current, voltage, resistance, power, energy, and time.
11
5 lessons
Required Practicals and Circuit Instrumentation Skills
Master experimental apparatus, data recording, zero error handling, and required practical methods for GCSE electricity.
12
5 lessons
Graphical Analysis of Linear and Non-Linear Circuit Elements
Interpret, compare, and calculate properties from current-voltage graphs and sensor calibration curves.
13
5 lessons
The Motor Effect and Magnetic Force Calculations
Calculate the magnetic force on a conductor and determine the direction of force using Fleming's left-hand rule.
14
5 lessons
Electric Motors and Applications of the Motor Effect
Explain how the motor effect produces continuous rotation in DC electric motors and drives sound devices.