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Master
Practise
Electromagnetism
Chapter 12
57 min
Introduction to electromagnetism
7 min
Magnetic effect of a current in a straight line (right-hand grip rule)
13 min
MCQ: In what direction will the compass point..., and others
9 min
Magnetic effect of a current in a flat coil / solenoid
7 min
MCQ: What happens to the compasses when a current flows from..., and others
6 min
Applications of electromagnetism: Electric bell, magnetic relay and circuit breaker
7 min
Application Q: Circuit breaker, before and after it is activated
8 min
Worksheet PDF
Answer PDF
Chapter 13
60 min
Forces acting between parallel current-carrying wires
10 min
MCQ: In what directions do the forces act between two parallel..., and others
6 min
MCQ: How will the wires move when they are brought together, and others
6 min
Fleming's left-hand rule
6 min
MCQ: At which point will the resultant field be strongest, and others
9 min
MCQ: Determine the direction the coil will move in a loud speaker, and others
5 min
Determine the force acting on a beam of charged particles
9 min
MCQ: In what direction will the positively charged particle by deflected..., and others
9 min
Worksheet PDF
Answer PDF
Chapter 14
53 min
Direct current (D.C.) motor
6 min
Working principles of D.C. motor (functions of carbon brush, split-ring commutator, etc)
14 min
3 ways to increase the turning effect of the D.C. motor
7 min
MCQ: How many times is the current reversed when the coil rotate..., and others
4 min
MCQ: What combination will achieve the direction of rotation..., and others
6 min
Structured Q: Explain the working principles in a mechanical device...
4 min
Structured Q: Complete the circuit of a D.C. motor by drawing...
4 min
Structured Q: Interpreting a graph showing the moment acting...
8 min
Worksheet PDF
Answer PDF
Chapter 15
45 min
MCQ: Which statements about the circuit breaker is incorrect, and others
9 min
MCQ: Determine the direction of magnetic field and charge..., and others
7 min
Structured Q: Draw the combined magnetic field of the current flowing...
4 min
Structured Q: Readings on a spring balance with different rods...
7 min
Application Q: Loudspeaker
5 min
Structured Q: Effect of the magnetic field on the motion of a current carrying wire
8 min
Structured Q: D.C. motor set-up using solenoids as magnets
5 min
Worksheet PDF
Answer PDF