Magnetism and Electromagnetism Fleming's left hand rule is used to find Direction of magnetic field due to current carrying conductor Direction of force on a current carrying conductor in a magnetic field Direction of flux in a solenoid Polarity of a magnetic pole Direction of magnetic field due to current carrying conductor Direction of force on a current carrying conductor in a magnetic field Direction of flux in a solenoid Polarity of a magnetic pole ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The materials are a bit inferior conductors of magnetic flux than air. Diamagnetic Ferromagnetic None of the listed here Dielectric Diamagnetic Ferromagnetic None of the listed here Dielectric ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A square cross-sectional magnet has a pole strength of 1 x 10 Wb and cross sectional area of 20 mm x 20 mm. What is the strength at a distance of 100 mm from the unit pole in air ? 63380 N/Wb 63.38 N/Wb 6338 N/Wb 633.8 N/Wb 63380 N/Wb 63.38 N/Wb 6338 N/Wb 633.8 N/Wb ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The electromagnet has 50 turns and a current of 1A flows through the coil. If the length of the magnet circuit is 200 mm, what is the magnetic field strength? 0.25 AT/m 250 AT/m 2500 AT/m 25 AT/m 0.25 AT/m 250 AT/m 2500 AT/m 25 AT/m ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the flux density in a magnetic field in which the flux in 0.1 m2 is 600 Wb? 600 T 6,000 T 6 T 600 T 600 T 6,000 T 6 T 600 T ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The magnetic materials exhibit the property of magnetisation because of orbital motion of electrons spin of electrons either of these spin of nucleus orbital motion of electrons spin of electrons either of these spin of nucleus ANSWER DOWNLOAD EXAMIANS APP
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