Physics | Moving Charges and Magnetism

Practice Physics | Moving Charges and Magnetism on Bissoy — browse topics below and open any question.

A Current-Carrying Coil as a Magnetic Dipole Ampere’s Law Biot-Savart Law Discovery of the Electron Magnetic Field Magnetic Field due to a Current Element Magnetic Field on the Axis of a Circular Current Loop Magnetic Force - Definition of B Magnetic Force on a Current-Carrying Wire Motion in a Magnetic Field Motion in Combined Electric and Magnetic Fields Solenoids and Toroids The Hall Effect The Magnetic Dipole Moment The Moving Coil Galvanometer Torque on a Current Loop

Questions

Pick out the wrong statement.

ক

Positron is heavier than a proton

খ

A, β-ray particle is identical with an electron

গ

The nucleus of a hydrogen atom is identical with a proton

ঘ

Mass of an electron is about 1/1800th of the lightest nucleus

What is the net force experienced by a bar magnet placed in a uniform magnetic field?

ক

Zero

খ

Depends upon length of themagnet

গ

Never zero

ঘ

Depends upon temperature