Magnetism and Electromagnetism An electromagnetic field exists only when there is an increasing current decreasing current voltage current an increasing current decreasing current voltage current ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the mmf of a wire with 8 turns carrying three amperes of current? 2.4 AT 24 AT 240 AT 0.24 AT 2.4 AT 24 AT 240 AT 0.24 AT ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the flux density in a magnetic field in which the flux in 0.1 m2 is 600 Wb? 600 T 600 T 6 T 6,000 T 600 T 600 T 6 T 6,000 T 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)? 360 270 90 180 360 270 90 180 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is a vector quantity? Flux density Magnetic field intensity Magnetic potential Relalative permeability Flux density Magnetic field intensity Magnetic potential Relalative permeability ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Substances which have permeability less than the permeability of free space are known as Ferro magnetic material Diamagnetic material Bipolar Paramagnetic material Ferro magnetic material Diamagnetic material Bipolar Paramagnetic material ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS