Magnetism and Electromagnetism If the cross-sectional area of a magnetic field increases, but the flux remains the same, the flux density remains the same decreases increases doubles remains the same decreases increases doubles ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The Biotsavart's law is a general modification of Kirchhoff's law Lenz's law Ampere's law Faraday's laws Kirchhoff's law Lenz's law Ampere's law Faraday's laws ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The unit for reluctance is At/m tesla Wb At/Wb At/m tesla Wb At/Wb ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A rectangular magnet of magnetic moment M is cut into two piece of same length, the magnetic moment of each piece will be M 2M M/2 M/4 M 2M M/2 M/4 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When the speed at which a conductor is moved through a magnetic field is increased, the induced voltage remains constant increases reaches zero decreases remains constant increases reaches zero decreases ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism In the left hand rule, forefinger always represents direction of force on the conductor current Voltage magnetic field direction of force on the conductor current Voltage magnetic field ANSWER DOWNLOAD EXAMIANS APP