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? 11 At/Wb 1111 At/Wb 111 At/Wb 1 At/Wb 11 At/Wb 1111 At/Wb 111 At/Wb 1 At/Wb 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 magnetic field due to current carrying conductor Direction of flux in a solenoid Polarity of a magnetic pole Direction of force on a current carrying conductor in a magnetic field Direction of magnetic field due to current carrying conductor Direction of flux in a solenoid ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The retentivity of material is useful for the construction of Transformers Permanent magnets Non-magnetic substances Electromagnets Transformers Permanent magnets Non-magnetic substances Electromagnets 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)? 270 180 360 90 270 180 360 90 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The Biotsavart's law is a general modification of Lenz's law Kirchhoff's law Ampere's law Faraday's laws Lenz's law Kirchhoff's law Ampere's law Faraday's laws ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A permeable substance is one which is a strong magnet through which the magnetic lines of force can pass very easily which is a good conductor which is a bad conductor which is a strong magnet through which the magnetic lines of force can pass very easily which is a good conductor which is a bad conductor ANSWER DOWNLOAD EXAMIANS APP
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