Physics module 20 · Put your knowledge to work
Electricity & Magnetism Applications
Practise cells, heating, magnetic effects, and motor problems.
6 problem sets · Learn at your pace · Some resources require membership
From understanding to problem solving.Your next step
Choose a problem set
Start with a familiar topic, then work towards more demanding problems.
6 of 6 sets
- 01Problem studio
Fields Driving Current Problems
Charge counting, I = nAvq, drift times, and work from a p.d.
Open practice - 02Problem studio
The Heating Effect Problems
P = IV in all three forms, kilowatt-hour costs, fuses, and cable waste.
Open practice - 03Problem studio
Electric Cells Problems
E.m.f., internal resistance, capacity, matched loads, and efficiency.
Open practice - 04Problem studio
Magnetic Effects of Currents Problems
Straight wires, loops, solenoids, electromagnets, and field superposition.
Open practice - 05Problem studio
The Motor Effect Problems
F = BIL sinθ, charges on circles, coil torque, and levitating wires.
Open practice - 06Problem studio
Electricity and Magnetism Calculus Problems
Charge as area, ∫εI dt energy, exponential discharge, and ∫BI dL forces.
Open practice
Review the foundations 4 related lessons
Extra challenging questions
Take the ideas further with course-specific extension questions, supplied-data graphs and worked solutions.