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OFFICIAL UAT-UK SPEC: P2MODULE: PHYSICS2 Tested Topics

P2: Magnetism, Motor Effect and Electromagnetic Induction

Official Cambridge & Imperial ESAT specification requirements for Magnetism, Motor Effect and Electromagnetic Induction on the Physics paper. Understand the syllabus boundaries, spot distractor traps engineered by examiners, and master the 2-step Sub-90 shortcuts that compress solve time well below the 88.8-second cutoff.

Start 40-Min Timed Mock Explore 2 Tested Topics

Official Syllabus Subtopics

Requirements specified in the UAT-UK framework

  • 1Magnetic field patterns of permanent magnets, solenoids, and straight wires
  • 2Motor effect force on current-carrying conductor: F = BIL sin θ (Fleming’s Left-Hand Rule)
  • 3Magnetic flux Φ = BA and flux linkage NΦ
  • 4Faraday’s law of induction: ε = -N (ΔΦ/Δt)
  • 5Lenz’s law: induced EMF opposes the change creating it
  • 6AC generators, slip rings, and alternating current waveforms
  • 7Transformers: Vₚ / Vₛ = Nₚ / Nₛ and 100% efficiency power balance VₚIₚ = VₛIₛ

Sub-90 Exam Speed Tips

How top candidates solve this spec under the 88.8s clock

Speed Invariant #1

In step-up transformers, voltage increases so current decreases proportionally (Iₛ < Iₚ), reducing I²R transmission heating losses.

Speed Invariant #2

Fleming’s Left-Hand Rule is for motors/force (FBI: Force, Field, Current); Right-Hand Rule is for induced current in generators.

Examiner Trap Alert

Examiners engineer distractor options using common algebraic expansions and sign slips. Always test structural ratios or invariants before calculating arithmetic values.

Tested Topics in Specification P2

Master the individual question patterns and Sub-90 shortcuts for this specification.

2 Topics Catalogued
ARCH-P-039 Past Qs (3.86%)

Magnetic Flux Patterns & Motor Effect Force on Current-Carrying Conductors (F = BIL)

In F = BIL = B(Q/t)L, L is strictly the perpendicular segment inside the magnetic field (in metres) and t must be in seconds. Parallel current wires attract; antiparallel wires repel.

Classroom: 135s→Sub-90: 35s
+100s Saved per Question
Topic Shortcut Guide →Shortcut Lesson →Practice Free Questions →
ARCH-P-138 Past Qs (3.43%)

Electromagnetic Induction (Faraday/Lenz Coil Graphs), AC Generators & Transformer Scaling (Vₚ/Vₛ = Nₚ/Nₛ)

For any magnet-coil motion graph: (1) Induced V = 0 whenever magnet velocity v = 0; (2) V flips sign on return journey; (3) Faster return = taller, narrower peak (same area ∫V dt = ΔΦ).

Classroom: 140s→Sub-90: 35s
+105s Saved per Question
Topic Shortcut Guide →Shortcut Lesson →Practice Free Questions →
UAT-UK ESAT SPEED REVOLUTION

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