Magnetism and Electromagnetism Out of the following statements, concerning an electric field, which statement is not true? An electric field is defined as a point in space at which an electric charge would experience a force The electric field intensity at a point is numerically equal to the force exerted upon a charge placed at that point 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 An electric field is defined as a point in space at which an electric charge would experience a force The electric field intensity at a point is numerically equal to the force exerted upon a charge placed at that point 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 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The unit of flux is the same as that of Resistance Permanance Pole strength Reluctance Resistance Permanance Pole strength Reluctance ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What will be the current passing through the ring shaped air cored coil when number of turns is 800 and ampere turns are 3200? 12 4 8 6 12 4 8 6 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Hysteresis loop in case of magnetically hard materials is more in shape as compared to magnetically soft materials. None of the listed here triangular rectangular circular None of the listed here triangular rectangular circular ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When an iron piece is placed in a magnetic field the magnetic field will not be affected 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 lines of force will bend away from their usual paths in order to go away from the piece the magnetic field will not be affected 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 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 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? Decreases Increases Remains same First increases and then decreases depending on the depth of iron in¬sertion Decreases Increases Remains same First increases and then decreases depending on the depth of iron in¬sertion ANSWER DOWNLOAD EXAMIANS APP
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