Magnetism and Electromagnetism If the cross-sectional area of a magnetic field increases, but the flux remains the same, the flux density decreases remains the same doubles increases decreases remains the same doubles increases ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The Biotsavart's law is a general modification of Lenz's law Ampere's law Faraday's laws Kirchhoff's law Lenz's law Ampere's law Faraday's laws Kirchhoff's law ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism If a loop in a basic dc generator suddenly begins rotating at a faster speed, the induced voltage increases reverses polarity decreases remains unchanged increases reverses polarity decreases remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The relative permeability of materials is not constant. None of the listed here Paramagnetic Ferromagnetic Diamagnetic None of the listed here Paramagnetic Ferromagnetic Diamagnetic ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following materials are diamagnetic? Iron Silver and copper Copper Silver Iron Silver and copper Copper Silver ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Hysteresis loop in case of magnetically hard materials is more in shape as compared to magnetically soft materials. triangular circular None of the listed here rectangular triangular circular None of the listed here rectangular ANSWER DOWNLOAD EXAMIANS APP