Magnetism and Electromagnetism When the north poles of two bar magnets are brought close together, there will be a force of attraction a force of repulsion no force a downward force a force of attraction a force of repulsion no force a downward force ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The retentivity of material is useful for the construction of Transformers Non-magnetic substances Electromagnets Permanent magnets Transformers Non-magnetic substances Electromagnets Permanent magnets ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What will be the magnetic potential difference across the air gap of 2 cm length in magnetic field of 200 AT/m? 16 AT 8 AT 4 AT 10 AT 16 AT 8 AT 4 AT 10 AT ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Fleming's left hand rule is used to find 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 Direction of flux in a solenoid Direction of magnetic field due to current carrying conductor Polarity of a magnetic pole ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A keeper is used to Restore lost flux Provide a closed path for flux Amplify flux Change the direction of magnetic lines Restore lost flux Provide a closed path for flux Amplify flux Change the direction of magnetic lines ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Tesla is a unit of Flux density Flux Inductance Field strength Flux density Flux Inductance Field strength ANSWER DOWNLOAD EXAMIANS APP