Electronic Principles Most AC power is obtained from: batteries oscillators None of these lightning generators batteries oscillators None of these lightning generators ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The dielectric constant of a material is a measure of: the amount of opposition to the current flow how well the material concentrates electrostatic lines of force how well the material concentrates magnetic lines of force None of these the amount of voltage it can withstand before breaking down the amount of opposition to the current flow how well the material concentrates electrostatic lines of force how well the material concentrates magnetic lines of force None of these the amount of voltage it can withstand before breaking down ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A power transformer steps 100 V down to 10 V. If the current in its primary winding is 2 A, what is the current in the secondary winding? 20 A 50 A None of these 0.20833333333333 20 A 50 A None of these 0.20833333333333 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The direction of conventional current flow is: from positive to negative from negative to positive from neutral to positive from left to right None of these from positive to negative from negative to positive from neutral to positive from left to right None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following kinds of materials has the highest permeability? A diamagnetic material All of these None of these A paramagnetic material A ferromagnetic material A diamagnetic material All of these None of these A paramagnetic material A ferromagnetic material ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What causes the depletion layer? Barrier potential Recombination Doping Ions None of these Barrier potential Recombination Doping Ions None of these ANSWER DOWNLOAD EXAMIANS APP
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