Magnetism and Electromagnetism An electromagnetic field exists only when there is decreasing current current an increasing current voltage decreasing current current an increasing current voltage ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The main constituent of permalloy is Cobalt Chromium Nickel Tungsten Cobalt Chromium Nickel Tungsten ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The magnetic reluctance of a material Any of the listed here Does not vary with increasing cross-sectional area of material Increases with increasing cross-sec-tional area of material Decreases with increasing cross sectional area of material Any of the listed here Does not vary with increasing cross-sectional area of material Increases with increasing cross-sec-tional area of material Decreases with increasing cross sectional area of material ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The electromagnet has 50 turns and a current of 1A flows through the coil. If the length of the magnet circuit is 200 mm, what is the magnetic field strength? 2500 AT/m 0.25 AT/m 25 AT/m 250 AT/m 2500 AT/m 0.25 AT/m 25 AT/m 250 AT/m ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The direction of a magnetic field within a magnet is back to front from south to north front to back from north to south back to front from south to north front to back from north to south 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 7 proportional to X proportional to distance between the conductors inversely proportional to I proportional to 7 proportional to X proportional to distance between the conductors ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS