State Fleming's left-hand rule and say what it is used for.
Electromagnetism
Original Khojo Papers practice question — not from a past board paper.
Fleming's left-hand rule
No citable source has been recorded for this record. Treat it as practice material, not as fact.
The right-hand rule is used for the direction of an induced current in a generator.
From the same topic and chapter, at a similar level.
State Fleming's left-hand rule and say what it is used for.
Electromagnetism
State two ways in which the strength of an electromagnet can be increased.
Electromagnetism
What is the function of the split-ring commutator in a d.c. motor?
Electromagnetism
Why is soft iron used for the core of an electromagnet and steel for a permanent magnet?
Electromagnetism
State the principle of an electric motor and name the rule used to find the direction of rotation.
Electromagnetism
State the principle of an a.c. generator and name the law it depends on.
Electromagnetism