Unit 4 – Fields and Options

This topic is examined in the A-Level Unit 4 Paper for WJEC Physics (Welsh Spec).

Notes:

1. Capacitance
2. Electrostatic and Gravitational Fields of Force
3. Orbits and the Wider Universe
4-5. Electromagnetism
A. Alternating Currents
B. Medical Physics
C. Physics of Sports
D. Energy and the Environment

Questions by Topic:

1. Capacitance

From AQA

Capacitance MS
Capacitance

From Edexcel

Capacitors MS
Capacitors

From OCR

Capacitors MS
Capacitors

2. Electrostatic and Gravitational Fields of Force

From AQA

Electric Fields MS
Electric Fields
Gravitational Fields MS
Gravitational Fields

From Edexcel, Set 1

Electric Fields MS
Electric Fields

From OCR

Electric & Magnetic Fields MS
Electric & Magnetic Fields

From Edexcel, Set 2

E and M Fields MS
E and M Fields

3. Orbits and the Wider Universe

From AQA

Cosmology MS
Cosmology

From Edexcel, Set 1

Gravity & Orbits MS
Gravity & Orbits
Universe MS
Universe

From OCR

Universe MS
Universe

From Edexcel, Set 2

Astrophysics & Cosmology MS
Astrophysics & Cosmology

4-5. Electromagnetism

From AQA

Charges in Magnetic Fields MS
Charges in Magnetic Fields
Dicovery of the Electron MS
Dicovery of the Electron
Electromagnetic Induction MS
Electromagnetic Induction

From Edexcel, Set 1

Electromagnetism MS
Electromagnetism

From OCR

Electric & Magnetic Fields MS
Electric & Magnetic Fields

From Edexcel, Set 2

E and M Fields MS
E and M Fields

A. Alternating Currents

Alternating Current MS
Alternating Current

B. Medical Physics

From AQA

Medical Physics MS
Medical Physics

From Edexcel

Ultrasound & Doppler Effect MS
Ultrasound & Doppler Effect

From OCR

Medical Imaging MS
Medical Imaging

C. Physics of Sports
D. Energy and the Environment