Magnetism and Electromagnetism There is 900 mA of current through a wire with 40 turns. What is the reluctance of the circuit if the flux is 400 Wb? 9,000 At/Wb 1,440 At/Wb 90,000 At/Wb 14,400 At/Wb 9,000 At/Wb 1,440 At/Wb 90,000 At/Wb 14,400 At/Wb ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Main causes of noisy solenoid are Both of the listed here strong tendency of fan out of laminations at the end caused by repulsion among magnetic lines of force None of these uneven bearing surface, caused by dirt or uneven wear between moving and stationary parts Both of the listed here strong tendency of fan out of laminations at the end caused by repulsion among magnetic lines of force None of these uneven bearing surface, caused by dirt or uneven wear between moving and stationary parts 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 240 At 2,400 At 24 At 2.4 At 240 At 2,400 At 24 At ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The use of permanent magnets is. not made in Transformers None of the listed here Energy meters Loud speakers Transformers None of the listed here Energy meters Loud speakers ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The ratio of intensity of magnetisation to the magnetisation force is known as Susceptibility Relatice permeability None of the listed here Flux density Susceptibility Relatice permeability None of the listed here Flux density ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the magneto-motive force in a 75-turn coil of wire when there are 4 A of current through it? 30 AT 300 AT 3 AT 0.3 AT 30 AT 300 AT 3 AT 0.3 AT ANSWER DOWNLOAD EXAMIANS APP
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