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 If the steel disk in a crankshaft position sensor has stopped with the tab in the magnet's air gap, the induced voltage Increase None of the listed here Decrease Is zero Increase None of the listed here Decrease Is zero ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Strength of an electromagnet can be increased by Increasing current supply All of the listed here Increasing the cross-sectional area Increasing the number of turns Increasing current supply All of the listed here Increasing the cross-sectional area Increasing the number of turns ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism For which of the following materials the net magnetic moment should be zero? antiferromagnetic materials ferrimagnetic materials diamagnetic materials antiferrimagnetic materials antiferromagnetic materials ferrimagnetic materials diamagnetic materials antiferrimagnetic materials ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Core of an electromagnet should have None of the listed here Low coercivity High susceptibility Both low coercivity and high susceptibility None of the listed here Low coercivity High susceptibility Both low coercivity and high susceptibility ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The most effective and quickest may of making a magnet from soft iron is by Rubbing with another magnet Placing it inside a coil carrying current Induction The use of permanent magnet Rubbing with another magnet Placing it inside a coil carrying current Induction The use of permanent magnet ANSWER DOWNLOAD EXAMIANS APP
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