Electronic Principles The equivalent of 1 micro A is: one-millionth of an ampere 10000A one million amperes 1000 A None of these one-millionth of an ampere 10000A one million amperes 1000 A None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An intrinsic semiconductor has some holes in it at room temperature. What causes these holes? Doping Valence electrons None of these Free electrons Thermal energy Doping Valence electrons None of these Free electrons Thermal energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Silicon atoms combine into an orderly pattern called a Valence orbit Covalent bond Crystal Semiconductor None of these Valence orbit Covalent bond Crystal Semiconductor None of these 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? 50 A None of these 20 A 0.20833333333333 50 A None of these 20 A 0.20833333333333 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the turns ratio for the transformer specified in the above question? None of these 1.5 10.738 0.575 0.707 None of these 1.5 10.738 0.575 0.707 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a statement of Kirchhoffs current law? The current through a resistance is proportional to the value of resistance and the IR drop across it None of these The algebraic sum of currents in a loop is equal to zero The total current in a parallel circuit is less than the value of the smallest current The algebraic sum of currents entering and leaving a point is equal to zero The current through a resistance is proportional to the value of resistance and the IR drop across it None of these The algebraic sum of currents in a loop is equal to zero The total current in a parallel circuit is less than the value of the smallest current The algebraic sum of currents entering and leaving a point is equal to zero ANSWER DOWNLOAD EXAMIANS APP