Electronic Principles The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current? 7.8 µA 14.8 µA None of these 10.3 µA 7.75 µA 7.8 µA 14.8 µA None of these 10.3 µA 7.75 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the smallest number of polarities required for current flow? Three - negative, positive and neutral terminals None of these One - a negative terminal Two - a negative terminal and a positive terminal Four - two negative and two positive Three - negative, positive and neutral terminals None of these One - a negative terminal Two - a negative terminal and a positive terminal Four - two negative and two positive ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a direct statement of Ohm's law? The algebraic sum of currents entering and leaving a point is equal to zero The total resistance of a parallel circuit is less than the value of the smallest resistance 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 algebraic sum of voltages in a loop is equal to zero The algebraic sum of currents entering and leaving a point is equal to zero The total resistance of a parallel circuit is less than the value of the smallest resistance 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 algebraic sum of voltages in a loop is equal to zero ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is most likely used for measuring the rate of electron flow? Ohmmeter Voltmeter Ammeter Wattmeter None of these Ohmmeter Voltmeter Ammeter Wattmeter None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The dielectric constant of a material is a measure of: None of these how well the material concentrates magnetic lines of force how well the material concentrates electrostatic lines of force the amount of opposition to the current flow the amount of voltage it can withstand before breaking down None of these how well the material concentrates magnetic lines of force how well the material concentrates electrostatic lines of force the amount of opposition to the current flow the amount of voltage it can withstand before breaking down ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The period of a waveform is: None of these the time required to complete one full cycle equal to 0.707 times the peak amplitude the time required for the voltage to rise from 10% to 90% of the peak amplitude the number of cycles completed in one second None of these the time required to complete one full cycle equal to 0.707 times the peak amplitude the time required for the voltage to rise from 10% to 90% of the peak amplitude the number of cycles completed in one second ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS