Magnetism and Electromagnetism The direction of a magnetic field within a magnet is from north to south front to back back to front from south to north from north to south front to back back to front 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 a downward force a force of repulsion a force of attraction no force a downward force a force of repulsion a force of attraction no force ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The ability of a material to remain magnetized after removal of the magnetizing force is known as reluctance permeability hysteresis retentivity reluctance permeability hysteresis 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 120 mA 12 mA 1.7 mA 16 mA 120 mA 12 mA 1.7 mA 16 mA ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The induced voltage across a stationary conductor in a stationary magnetic field is zero increased reversed in polarity decreased zero increased reversed in polarity decreased ANSWER DOWNLOAD EXAMIANS APP