Magnetism and Electromagnetism Fleming's left hand rule is used to find Direction of flux in a solenoid Direction of magnetic field due to current carrying conductor Polarity of a magnetic pole Direction of force on a current carrying conductor in a magnetic field Direction of flux in a solenoid Direction of magnetic field due to current carrying conductor Polarity of a magnetic pole Direction of force on a current carrying conductor in a magnetic field ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the mmf of a wire with 8 turns carrying three amperes of current? 240 AT 0.24 AT 24 AT 2.4 AT 240 AT 0.24 AT 24 AT 2.4 AT ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The magnetomotive force is The voltage across the two ends of exciting coil The passage of magnetic field through an exciting coil The flow of an electric current The sum of all currents embraced by one line of magnetic field The voltage across the two ends of exciting coil The passage of magnetic field through an exciting coil The flow of an electric current The sum of all currents embraced by one line of magnetic field 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/2 2M M M/4 M/2 2M M M/4 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Tesla is a unit of Flux Flux density Inductance Field strength Flux Flux density Inductance Field strength ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The attraction capacity of electromagnet will increase if the Core length increases Flux density decreases Flux density increases Core area increases Core length increases Flux density decreases Flux density increases Core area increases ANSWER DOWNLOAD EXAMIANS APP