Magnetism and Electromagnetism A coil of wire is placed in a changing magnetic field. If the number of turns in the coil is decreased, the voltage induced across the coil will Decreases Increases Remain same None of the listed here Decreases Increases Remain same None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A rectangular magnet of magnetic moment M is cut into two piece of same length, the magnetic moment of each piece will be M/4 M/2 2M M M/4 M/2 2M M ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The stray line of magnetic flux is defined as A line of magnetic flux which does not follow the designed path A line vertical to the flux lines The mean length of a ring shaped coil A line of magnetic flux in a non-uniform field A line of magnetic flux which does not follow the designed path A line vertical to the flux lines The mean length of a ring shaped coil A line of magnetic flux in a non-uniform field ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The magnetic reluctance of a material Increases with increasing cross-sec-tional area of material Decreases with increasing cross sectional area of material Does not vary with increasing cross-sectional area of material Any of the listed here Increases with increasing cross-sec-tional area of material Decreases with increasing cross sectional area of material Does not vary with increasing cross-sectional area of material Any of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the magnetomotive force in a 75-turn coil of wire when there are 4 A of current through it? 300 At 30 At 187 At 18.75 At 300 At 30 At 187 At 18.75 At ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The uniform magnetic field is The field of a set of parallel conductors The field of a single conductor None of the listed here The field in which all lines of magnetic flux are parallel and equidistant The field of a set of parallel conductors The field of a single conductor None of the listed here The field in which all lines of magnetic flux are parallel and equidistant ANSWER DOWNLOAD EXAMIANS APP
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