Magnetism and Electromagnetism What is the mmf of a wire with 8 turns carrying three amperes of current? 2.4 AT 240 AT 0.24 AT 24 AT 2.4 AT 240 AT 0.24 AT 24 AT ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Fleming's left hand rule is used to find Polarity of a magnetic pole Direction of force on a current carrying conductor in a magnetic field Direction of flux in a solenoid Direction of magnetic field due to current carrying conductor Polarity of a magnetic pole Direction of force on a current carrying conductor in a magnetic field Direction of flux in a solenoid Direction of magnetic field due to current carrying conductor ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The relative permeability is less than unity is case of Ferrits Diamagnetic material Ferromagnetic material Paramagnetic material Ferrits Diamagnetic material Ferromagnetic material Paramagnetic material ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The bar magnet has Both dipole and monopole moment Monopole moment None of the listed here Dipole moment Both dipole and monopole moment Monopole moment None of the listed here Dipole moment ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the reluctance of a material that has a length of 0.07 m, a cross-sectional area of 0.014 m2, and a permeability of 4,500 Wb/At × m? 111 At/Wb 1 At/Wb 1111 At/Wb 11 At/Wb 111 At/Wb 1 At/Wb 1111 At/Wb 11 At/Wb 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)? 360 180 270 90 360 180 270 90 ANSWER DOWNLOAD EXAMIANS APP
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