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