Magnetism and Electromagnetism A magnetic field exists around Copper Moving Charges Aluminium Iron Copper Moving Charges Aluminium Iron 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 decreases increases reverses polarity remains unchanged decreases increases ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The direction of a magnetic field within a magnet is front to back from south to north from north to south back to front front to back from south to north from north to south back to front ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The commonly used material for shielding or screening magnetism is Brass Soft iron Copper Aluminium Brass Soft iron Copper Aluminium ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the mmf of a wire with 8 turns carrying three amperes of current? 24 AT 240 AT 2.4 AT 0.24 AT 24 AT 240 AT 2.4 AT 0.24 AT ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Reciprocal of permeability is conductance Permeability Reluctivity Susceptibility conductance Permeability Reluctivity Susceptibility ANSWER DOWNLOAD EXAMIANS APP