This online test contains MCQs about following topics:.
a) Understand magnetic field due to current in a long straight wire.
b) Describe force on current carrying conductor in uniform magnetic field and use F BIlsin .
c) Explain magnetic field due to current carrying solenoid and use B nI .
d) Explain the concept of force on a moving charge in magnetic field and use F q(V B) or F qVBsin
e) Determine the e/m for an electron.