Magnetism and Electromagnetism When the speed at which a conductor is moved through a magnetic field is increased, the induced voltage decreases remains constant increases reaches zero decreases remains constant increases reaches zero ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Out of the following statements, concerning an electric field, which statement is not true? The electric intensity is a vector quantity Unit field intensity in the exertion of a force of one newton on a charge of one coulomb The electric field intensity at a point is numerically equal to the force exerted upon a charge placed at that point An electric field is defined as a point in space at which an electric charge would experience a force The electric intensity is a vector quantity Unit field intensity in the exertion of a force of one newton on a charge of one coulomb The electric field intensity at a point is numerically equal to the force exerted upon a charge placed at that point An electric field is defined as a point in space at which an electric charge would experience a force ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A certain amount of current flows through a ring shaped coil with fixed number of turns. How does the magnetic induction B varies inside the coil if an iron core is threaded into coil without dimensional change of coil? Remains same Increases First increases and then decreases depending on the depth of iron in¬sertion Decreases Remains same Increases First increases and then decreases depending on the depth of iron in¬sertion Decreases ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When an iron piece is placed in a magnetic field the magnetic lines of force will bend away from their usual paths in order to pass through the piece the iron piece will break the magnetic field will not be affected the magnetic lines of force will bend away from their usual paths in order to go away from the piece the magnetic lines of force will bend away from their usual paths in order to pass through the piece the iron piece will break the magnetic field will not be affected the magnetic lines of force will bend away from their usual paths in order to go away from the piece 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 M 2M M/4 M/2 M 2M M/4 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The materials having low retentivity are suitable for making Weak magnet None of the listed here Permanent magnet Temporary Magnet Weak magnet None of the listed here Permanent magnet Temporary Magnet ANSWER DOWNLOAD EXAMIANS APP
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