Magnetic Effects of Electric Current
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Magnetic field in wire loop credits:openclipart |
MCQs
Q1: Inside the magnet the field lines run
(a) From south to north
(b) Away from north pole
(c) From north to south
(d) Away from the south pole
Q2: An electric charge in uniform motion produces:
(a) an electric field only
(b) a magnetic field only
(c) both electric and magnetic fields
(d) no such field at all
Q3: The magnetic field inside the solenoid is
(a) Non uniform
(b)Variable
(c) same at all points
(d) zero