Electronic Principles The dielectric constant of a material is a measure of: how well the material concentrates electrostatic lines of force the amount of voltage it can withstand before breaking down how well the material concentrates magnetic lines of force the amount of opposition to the current flow None of these how well the material concentrates electrostatic lines of force the amount of voltage it can withstand before breaking down how well the material concentrates magnetic lines of force the amount of opposition to the current flow None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A current source has an internal resistance of 100 kW. What is the largest load resistance if the current source must appear stiff? 2 k Ohm 20 k Ohm 1 k Ohm None of these 10 k Ohm 2 k Ohm 20 k Ohm 1 k Ohm None of these 10 k Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a pure inductor: ac current lags the voltage by 90 degree None of these ac current is converted to dc voltage ac current and voltage are exactly in phase ac current leads the voltage by 90 degree ac current lags the voltage by 90 degree None of these ac current is converted to dc voltage ac current and voltage are exactly in phase ac current leads the voltage by 90 degree ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The net charge of a neutral copper atom is 4 1 -1 None of these 4 1 -1 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a direct statement of Ohm's law? 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 voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it The algebraic sum of voltages in a loop is equal to zero None of these 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 voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it The algebraic sum of voltages in a loop is equal to zero None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a load resistance is 1 kW, a stiff voltage source has a resistance of At least 10 Ohm More than 100 k Ohm None of these less than 10 Ohm Less than 100 k Ohm At least 10 Ohm More than 100 k Ohm None of these less than 10 Ohm Less than 100 k Ohm ANSWER DOWNLOAD EXAMIANS APP