Magnetism and Electromagnetism The main constituent of permalloy is Chromium Cobalt Nickel Tungsten Chromium Cobalt Nickel Tungsten ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The attraction capacity of electromagnet will increase if the Core length increases Core area increases Flux density increases Flux density decreases Core length increases Core area increases Flux density increases Flux density decreases 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 None of the listed here Remain same Decreases Increases None of the listed here Remain same Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism For a given wirewound core, an increase in current through the coil reverses the flux lines decreases the flux density increases the flux density causes no change in flux density reverses the flux lines decreases the flux density increases the flux density causes no change in flux density ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The change of cross-sectional area of conductor in magnetic field will affect resistance of conductor reluctance of conductor both of the listed here None of these resistance of conductor reluctance of conductor both of the listed here None of these ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The two conductors of a transmission line carry equal current I in opposite directions. The force on each conductor is inversely proportional to I proportional to X proportional to 7 proportional to distance between the conductors inversely proportional to I proportional to X proportional to 7 proportional to distance between the conductors ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS