Magnetism and Electromagnetism The direction of a magnetic field within a magnet is back to front front to back from north to south from south to north back to front front to back from north to south from south to north ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When the north poles of two bar magnets are brought close together, there will be no force a downward force a force of repulsion a force of attraction no force a downward force a force of repulsion a force of attraction ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The ability of a material to remain magnetized after removal of the magnetizing force is known as hysteresis reluctance permeability retentivity hysteresis reluctance permeability retentivity ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The voltage induced across a certain coil is 200 mV. A 120 resistor is connected to the coil terminals. The induced current is 16 mA 120 mA 12 mA 1.7 mA 16 mA 120 mA 12 mA 1.7 mA ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The induced voltage across a stationary conductor in a stationary magnetic field is zero decreased increased reversed in polarity zero decreased increased reversed in polarity ANSWER DOWNLOAD EXAMIANS APP