Magnetism and Electromagnetism The main constituent of permalloy is Chromium Tungsten Nickel Cobalt Chromium Tungsten Nickel Cobalt ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the magneto-motive force (mmf) of a wire with 8 turns carrying three amperes of current? 2.4 At 24 At 240 At 2,400 At 2.4 At 24 At 240 At 2,400 At ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When an iron piece is placed in a magnetic field the magnetic field will not be affected the magnetic lines of force will bend away from their usual paths in order to pass through the piece the magnetic lines of force will bend away from their usual paths in order to go away from the piece the iron piece will break the magnetic field will not be affected the magnetic lines of force will bend away from their usual paths in order to pass through the piece the magnetic lines of force will bend away from their usual paths in order to go away from the piece the iron piece will break ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The change of cross-sectional area of conductor in magnetic field will affect None of these both of the listed here reluctance of conductor resistance of conductor None of these both of the listed here reluctance of conductor resistance of conductor ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Two long parallel conductors carry 100 A. If the conductors are separated by 20 mm, the force per meter of length of each conductor will be 0.1 N 10 N 100 N 0.01 N 0.1 N 10 N 100 N 0.01 N ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A basic one-loop dc generator is rotated at 90 rev/s. How many times each second does the dc output voltage peak (reach maximum)? 270 360 180 90 270 360 180 90 ANSWER DOWNLOAD EXAMIANS APP