Magnetic Circuit Hard steel is suitable for making permanent magnets because It has good residual magnetism Its hysteresis loop has large area Its mechanical strength is low Its mechanical strength is high It has good residual magnetism Its hysteresis loop has large area Its mechanical strength is low Its mechanical strength is high ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit When both the inductance and resistance of a coil are doubled the value of Initial rate of rise of current is doubled Time constant remains unchanged Time constant is halved Final steady current is doubled Initial rate of rise of current is doubled Time constant remains unchanged Time constant is halved Final steady current is doubled ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Permeability in a magnetic circuit corresponds to_________ in an electric circuit. Resistivity Conductance Conductivity Resistance Resistivity Conductance Conductivity Resistance ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit A material for good magnetic memory should have Low hysteresis loss High retentivity Low retentivity High permeability Low hysteresis loss High retentivity Low retentivity High permeability ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Those materials are well suited for making permanent magnets which have ________ retentivity and ________ coercivity. Low, low High, high Low, high High, low Low, low High, high Low, high High, low ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The property of a material which opposes the creation of magnetic flux in it is known as Reluctivity Permeance Reluctance Magneto-motive force Reluctivity Permeance Reluctance Magneto-motive force ANSWER DOWNLOAD EXAMIANS APP
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