Magnetism and Electromagnetism Which of the following is a ferromagnetic material? Tungsten Aluminium Nickel Copper Tungsten Aluminium Nickel Copper ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The Biotsavart's law is a general modification of Kirchhoff's law Faraday's laws Lenz's law Ampere's law Kirchhoff's law Faraday's laws Lenz's law Ampere's law 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? 300 AT 30 AT 3 AT 0.3 AT 300 AT 30 AT 3 AT 0.3 AT ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The commonly used material for shielding or screening magnetism is Brass Soft iron Aluminium Copper Brass Soft iron Aluminium Copper ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The main constituent of permalloy is Tungsten Cobalt Nickel Chromium Tungsten Cobalt Nickel Chromium ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism There is 900 mA of current through a wire with 40 turns. What is the reluctance of the circuit if the flux is 400 Wb? 1,440 At/Wb 90,000 At/Wb 14,400 At/Wb 9,000 At/Wb 1,440 At/Wb 90,000 At/Wb 14,400 At/Wb 9,000 At/Wb ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS