Magnetism and Electromagnetism The main constituent of permalloy is Tungsten Nickel Chromium Cobalt Tungsten Nickel Chromium Cobalt ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the magneto-motive force in a 75-turn coil of wire when there are 4 A of current through it? 150 At 200 At 300 At 100 At 150 At 200 At 300 At 100 At 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. None of the listed here circular rectangular triangular None of the listed here circular rectangular triangular ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The Biotsavart's law is a general modification of Lenz's law Ampere's law Kirchhoff's law Faraday's laws Lenz's law Ampere's law Kirchhoff's law Faraday's laws ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A certain amount of current flows through a ring shaped coil with fixed number of turns. How does the magnetic induction B varies inside the coil if an iron core is threaded into coil without dimensional change of coil? Decreases Remains same Increases First increases and then decreases depending on the depth of iron in¬sertion Decreases Remains same Increases First increases and then decreases depending on the depth of iron in¬sertion ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is not a unit of flux? Weber Maxwell Tesla All of the listed here Weber Maxwell Tesla All of the listed here ANSWER DOWNLOAD EXAMIANS APP
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