Magnetism and Electromagnetism What is the magnetomotive force (mmf) of a wire with 8 turns carrying three amperes of current? 2.4 At 2,400 At 24 At 240 At 2.4 At 2,400 At 24 At 240 At 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 resistance of conductor reluctance of conductor None of these both of the listed here resistance of conductor reluctance of conductor ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Tesla is a unit of Flux density Flux Field strength Inductance Flux density Flux Field strength Inductance ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The magnetic reluctance of a 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 Any of the listed here Does not vary with increasing cross-sectional area of material Increases with increasing cross-sec-tional area of material ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Core of an electromagnet should have Both low coercivity and high susceptibility High susceptibility None of the listed here Low coercivity Both low coercivity and high susceptibility High susceptibility None of the listed here Low coercivity ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism One telsa is equal to 1 Wb/mm² 1 Wb/m 1 Wb/m² 1 mWb/m² 1 Wb/mm² 1 Wb/m 1 Wb/m² 1 mWb/m² ANSWER DOWNLOAD EXAMIANS APP
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