1. Mention two methods of producing magnetic fields.
Which of the following can produce the magnetic field:
Answer variants:
Static charges
Insulators
A loop or solenoid carrying current
Permanent magnet
A wire carrying current
I.
ii.
iii.
2. When is the force experienced by a current–carrying conductor placed in a magnetic field largest?
The force experienced by a current-carrying conductor located in a magnetic field is largest when both are .