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? 2500 AT/m 25 AT/m 250 AT/m 0.25 AT/m 2500 AT/m 25 AT/m 250 AT/m 0.25 AT/m ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When a solenoid is activated, the force that moves the plunger is a permanent magnetic field a steady current an electromagnetic field varying voltage a permanent magnetic field a steady current an electromagnetic field varying voltage ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is the unit of magnetic flux density? Weber Lumens None of the listed here Tesla Weber Lumens None of the listed here Tesla ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The most effective and quickest may of making a magnet from soft iron is by The use of permanent magnet Induction Placing it inside a coil carrying current Rubbing with another magnet The use of permanent magnet Induction Placing it inside a coil carrying current Rubbing with another magnet ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following type of materials are not very important for engineering applications? Paramagnetic material None of the listed here Diamagnetic material Ferro magnetic material Paramagnetic material None of the listed here Diamagnetic material Ferro magnetic material ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is a ferromagnetic material? Aluminium Nickel Tungsten Copper Aluminium Nickel Tungsten Copper ANSWER DOWNLOAD EXAMIANS APP
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