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? 14,400 At/Wb 90,000 At/Wb 1,440 At/Wb 9,000 At/Wb 14,400 At/Wb 90,000 At/Wb 1,440 At/Wb 9,000 At/Wb ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The stray line of magnetic flux is defined as A line of magnetic flux in a non-uniform field The mean length of a ring shaped coil A line vertical to the flux lines A line of magnetic flux which does not follow the designed path A line of magnetic flux in a non-uniform field The mean length of a ring shaped coil A line vertical to the flux lines A line of magnetic flux which does not follow the designed path ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism An electromagnetic field exists only when there is voltage decreasing current an increasing current current voltage decreasing current an increasing current current ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is a ferromagnetic material? Copper Tungsten Nickel Aluminium Copper Tungsten Nickel Aluminium ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What will be the magnetic potential difference across the air gap of 2 cm length in magnetic field of 200 AT/m? 16 AT 10 AT 4 AT 8 AT 16 AT 10 AT 4 AT 8 AT ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What will be the current passing through the ring shaped air cored coil when number of turns is 800 and ampere turns are 3200? 8 12 6 4 8 12 6 4 ANSWER DOWNLOAD EXAMIANS APP