Electronic Principles The merging of a free electron and a hole is called Thermal energy None of these Recombination Lifetime Covalent bonding Thermal energy None of these Recombination Lifetime Covalent bonding ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the barrier potential of a silicon diode at room temperature? 0.3V None of these 0.7V 1 V 2 m V per degree Celsius 0.3V None of these 0.7V 1 V 2 m V per degree Celsius ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a direct statement of Ohm's law? The algebraic sum of voltages in a loop is equal to zero None of these The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it The total resistance of a parallel circuit is less than the value of the smallest resistance The algebraic sum of currents entering and leaving a point is equal to zero The algebraic sum of voltages in a loop is equal to zero None of these The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it The total resistance of a parallel circuit is less than the value of the smallest resistance The algebraic sum of currents entering and leaving a point is equal to zero ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the inductive reactance of a 2-H coil operating at 60 Hz? 120 Ohm None of these 60 Ohm 754 Ohm 30 Ohm 120 Ohm None of these 60 Ohm 754 Ohm 30 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles For a pure capacitor: ac current lags the voltage by 90 degree ac current and voltage are exactly in phase ac current leads the voltage by 90 degree None of these ac current is converted to dc voltage ac current lags the voltage by 90 degree ac current and voltage are exactly in phase ac current leads the voltage by 90 degree None of these ac current is converted to dc voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a load resistance is 1 kW, a stiff voltage source has a resistance of None of these At least 10 Ohm Less than 100 k Ohm less than 10 Ohm More than 100 k Ohm None of these At least 10 Ohm Less than 100 k Ohm less than 10 Ohm More than 100 k Ohm ANSWER DOWNLOAD EXAMIANS APP