Magnetism and Electromagnetism The use of permanent magnets is. not made in Loud speakers None of the listed here Transformers Energy meters Loud speakers None of the listed here Transformers Energy meters ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Out of the following statements, concerning an electric field, which statement is not true? Unit field intensity in the exertion of a force of one newton on a charge of one coulomb The electric field intensity at a point is numerically equal to the force exerted upon a charge placed at that point The electric intensity is a vector quantity An electric field is defined as a point in space at which an electric charge would experience a force Unit field intensity in the exertion of a force of one newton on a charge of one coulomb The electric field intensity at a point is numerically equal to the force exerted upon a charge placed at that point The electric intensity is a vector quantity An electric field is defined as a point in space at which an electric charge would experience a force ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The induced voltage across a coil with 250 turns that is located in a magnetic field that is changing at a rate of 8 Wb/s is 1,000 V 31.25 V 2,000 V 3,125 V 1,000 V 31.25 V 2,000 V 3,125 V ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The retentivity of material is useful for the construction of Permanent magnets Electromagnets Transformers Non-magnetic substances Permanent magnets Electromagnets Transformers Non-magnetic substances ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The unit for permeability is At/m Wb At/Wb Wb/At × m At/m Wb At/Wb Wb/At × m ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Two long parallel conductors carry 100 A. If the conductors are separated by 20 mm, the force per meter of length of each conductor will be 0.01 N 100 N 0.1 N 10 N 0.01 N 100 N 0.1 N 10 N ANSWER DOWNLOAD EXAMIANS APP
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