Magnetism and Electromagnetism The susceptibility of paramagnetic materials generally lies between KT3 and 1CT6 1CT3 and 1CT7 KT4 and KT8 10"2 and KT5 KT3 and 1CT6 1CT3 and 1CT7 KT4 and KT8 10"2 and KT5 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism In a simple magnetic field the strength of magnet flux first increases and then decreases till it becomes zero decreases continuously from initial value to final value increases continuously from initial value to final value is constant and has same value in energy part of the magnetic field first increases and then decreases till it becomes zero decreases continuously from initial value to final value increases continuously from initial value to final value is constant and has same value in energy part of the magnetic field 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 Remains same First increases and then decreases depending on the depth of iron in¬sertion Increases Decreases Remains same First increases and then decreases depending on the depth of iron in¬sertion Increases ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The retentivity of material is useful for the construction of Transformers Permanent magnets Electromagnets Non-magnetic substances Transformers Permanent magnets Electromagnets Non-magnetic substances 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 What is the magneto-motive force in a 75-turn coil of wire when there are 4 A of current through it? 3 AT 0.3 AT 30 AT 300 AT 3 AT 0.3 AT 30 AT 300 AT ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS