Electronic Principles The number of free electrons and holes in intrinsic semiconductor increases when the temperature Increases 0oC None of these Stays the same Decreases Increases 0oC None of these Stays the same Decreases 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? None of these 0.20833333333333 50 A 20 A None of these 0.20833333333333 50 A 20 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a statement of Kirchhoffs current law? The algebraic sum of currents in a loop is equal to zero The algebraic sum of currents entering and leaving a point is equal to zero The total current in a parallel circuit is less than the value of the smallest current None of these The current through a resistance is proportional to the value of resistance and the IR drop across it The algebraic sum of currents in a loop is equal to zero The algebraic sum of currents entering and leaving a point is equal to zero The total current in a parallel circuit is less than the value of the smallest current None of these The current through a resistance is proportional to the value of resistance and the IR drop across it ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 megohms is: one-millionth of an ohm one million ohms 1 k ohm None of these 100,000 ohm one-millionth of an ohm one million ohms 1 k ohm None of these 100,000 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following kinds of materials has the lowest permeability? A feiTomagnetic material All of these A diamagnetic material A paramagnetic material None of these A feiTomagnetic material All of these A diamagnetic material A paramagnetic material None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a negative ion? An atom that contains more protons than neutrons An atom that contains more electrons than protons An atom that contains more electrons than neutrons None of these An atom that contains more protons than electrons An atom that contains more protons than neutrons An atom that contains more electrons than protons An atom that contains more electrons than neutrons None of these An atom that contains more protons than electrons ANSWER DOWNLOAD EXAMIANS APP
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