WJEC A-level Physics A420QS · C3.A
Option A: Alternating Currents
- Code
- C3.A
- In
- C3 Component 3: Light, Nuclei and Options
- Course
- A-level Physics A420QS
- Board
- WJEC
Grade boundaries·WJEC command words
Codes and titles are read by a script from WJEC's published specification and have not been checked by a person. What each point covers is in the specification itself: WJEC’s specification.
Points under C3.A
- C3.A(a) Faraday's law applied to a rotating coil
- C3.A(b) Flux linkage of a rotating coil
- C3.A(c) The emf equation V = ωBAN sin ωt for a rotating coil
- C3.A(d) Frequency, period, peak and rms values
- C3.A(e) RMS values and energy dissipated
- C3.A(f) Mean power in a resistor
- C3.A(g) Measuring a.c. with an oscilloscope
- C3.A(h) Phase lag in an inductor
- C3.A(i) Inductive reactance
- C3.A(j) Phase lead in a capacitor
- C3.A(k) Mean power in inductors and capacitors
- C3.A(l) Phasors for RC, RL and RCL circuits
- C3.A(m) Phase angle and impedance
- C3.A(n) Resonance frequency of an RCL circuit
- C3.A(o) Q factor of an RCL circuit
- C3.A(p) Q factor and sharpness of resonance
Points in C3 Component 3: Light, Nuclei and Options
- C3.1 The Nature of Waves
- C3.2 Wave Properties
- C3.3 Refraction of Light
- C3.4 Photons
- C3.5 Lasers
- C3.6 Nuclear Decay
- C3.7 Particles and Nuclear Structure
- C3.8 Nuclear Energy
- C3.9 Magnetic Fields
- C3.10 Electromagnetic Induction
- C3.A Option A: Alternating Currents
- C3.B Option B: Medical Physics
- C3.C Option C: The Physics of Sports
- C3.D Option D: Energy and the Environment