Magnetism and Electromagnetism The attraction capacity of electromagnet will increase if the Core length increases Core area increases Flux density decreases Flux density increases Core length increases Core area increases Flux density decreases Flux density increases ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A conductor of length L has current I passing through it, when it is placed parallel to a magnetic field. The force experienced by the conductor will be BLI None of the listed here Zero BLI2 BLI None of the listed here Zero BLI2 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism An electromagnetic field exists only when there is voltage an increasing current decreasing current current voltage an increasing current decreasing current current ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the magnetomotive force (mmf) of a wire with 8 turns carrying three amperes of current? 24 At 240 At 2,400 At 2.4 At 24 At 240 At 2,400 At 2.4 At ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is a ferromagnetic material? Copper Tungsten Aluminium Nickel Copper Tungsten Aluminium Nickel ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Degaussing is the process of Removing gases from the materials Remagnetising metallic parts Removal of magnetic impurities Demagnetising metallic parts Removing gases from the materials Remagnetising metallic parts Removal of magnetic impurities Demagnetising metallic parts ANSWER DOWNLOAD EXAMIANS APP
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