Magnetism and Electromagnetism What is the flux density in a magnetic field in which the flux in 0.1 m2 is 600 Wb? 6,000 T 600 T 6 T 600 T 6,000 T 600 T 6 T 600 T 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 First increases and then decreases depending on the depth of iron in¬sertion Increases Remains same Decreases First increases and then decreases depending on the depth of iron in¬sertion Increases Remains same ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism For which of the following materials the net magnetic moment should be zero? antiferrimagnetic materials ferrimagnetic materials diamagnetic materials antiferromagnetic materials antiferrimagnetic materials ferrimagnetic materials diamagnetic materials antiferromagnetic materials 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? 4 AT 16 AT 10 AT 8 AT 4 AT 16 AT 10 AT 8 AT ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The voltage induced across a certain coil is 200 mV. A 120 resistor is connected to the coil terminals. The induced current is 120 mA 16 mA 1.7 mA 12 mA 120 mA 16 mA 1.7 mA 12 mA ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism For which of the following materials the saturation value is the highest? Ferromagnetic materials Diamagnetic materials Paramagnetic materials Ferrites Ferromagnetic materials Diamagnetic materials Paramagnetic materials Ferrites ANSWER DOWNLOAD EXAMIANS APP
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