Magnetism and Electromagnetism The stray line of magnetic flux is defined as A line vertical to the flux lines A line of magnetic flux in a non-uniform field A line of magnetic flux which does not follow the designed path The mean length of a ring shaped coil A line vertical to the flux lines A line of magnetic flux in a non-uniform field A line of magnetic flux which does not follow the designed path The mean length of a ring shaped coil 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 10 AT 8 AT 4 AT 16 AT 10 AT 8 AT 4 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 1.7 mA 120 mA 12 mA 16 mA 1.7 mA 120 mA 12 mA 16 mA ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A coil of wire is placed in a changing magnetic field. If the number of turns in the coil is decreased, the voltage induced across the coil will Remain same None of the listed here Increases Decreases Remain same None of the listed here Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The unit for reluctance is Wb tesla At/m At/Wb Wb tesla At/m At/Wb ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Ferrites are a sub-group of Ferri-magnetic material Paramagnetic material Ferro magnetic material Non-magnetic materials Ferri-magnetic material Paramagnetic material Ferro magnetic material Non-magnetic materials ANSWER DOWNLOAD EXAMIANS APP