Magnetism and Electromagnetism A permeable substance is one which is a bad conductor which is a good conductor which is a strong magnet through which the magnetic lines of force can pass very easily which is a bad conductor which is a good conductor which is a strong magnet through which the magnetic lines of force can pass very easily ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Temporary magnets are used in Generators Loud speakers Motors All of the listed here Generators Loud speakers Motors All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The direction of a magnetic field within a magnet is from south to north front to back back to front from north to south from south to north front to back back to front from north to south ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The retentivity of material is useful for the construction of Permanent magnets Non-magnetic substances Transformers Electromagnets Permanent magnets Non-magnetic substances Transformers Electromagnets ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism If a loop in a basic dc generator suddenly begins rotating at a faster speed, the induced voltage reverses polarity remains unchanged increases decreases reverses polarity remains unchanged increases decreases ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The uniform magnetic field is The field of a single conductor The field of a set of parallel conductors The field in which all lines of magnetic flux are parallel and equidistant None of the listed here The field of a single conductor The field of a set of parallel conductors The field in which all lines of magnetic flux are parallel and equidistant None of the listed here ANSWER DOWNLOAD EXAMIANS APP