Electronic Principles The peak value of a sine waveform is: the amplitude at 90% of the maximum value the amplitude at 1.41 times the maximum value the amplitude at 70.7% of the maximum value None of these the maximum positive or negative value the amplitude at 90% of the maximum value the amplitude at 1.41 times the maximum value the amplitude at 70.7% of the maximum value None of these the maximum positive or negative value ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles One henry of inductance is defined as: the amount of counter emf required to reduce a current to 1 A the amount of inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second the amount of inductance required to change the frequency of a current by 1 Hz None of these the number of turns of wire in an inductor multiplied by the amount of current flowing through it the amount of counter emf required to reduce a current to 1 A the amount of inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second the amount of inductance required to change the frequency of a current by 1 Hz None of these the number of turns of wire in an inductor multiplied by the amount of current flowing through it ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltages in a series RC circuit? The total voltage is greater than the sum of the voltages across the resistance and capacitance The total voltage is equal to the sum of the voltages across the resistance and capacitance None of these The voltage always has the same amplitude and phase for every part of the circuit The total voltage is less than the sum of the voltages across the resistance and capacitance The total voltage is greater than the sum of the voltages across the resistance and capacitance The total voltage is equal to the sum of the voltages across the resistance and capacitance None of these The voltage always has the same amplitude and phase for every part of the circuit The total voltage is less than the sum of the voltages across the resistance and capacitance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements applies to common, non-rechargeable flashlight batteries? None of these Common flashlight batteries are primary wet-cell batteries Common flashlight batteries are primary dry-cell batteries Common flashlight batteries are secondary dry-cell batteries Common flashlight batteries are secondary wet-cell batteries None of these Common flashlight batteries are primary wet-cell batteries Common flashlight batteries are primary dry-cell batteries Common flashlight batteries are secondary dry-cell batteries Common flashlight batteries are secondary wet-cell batteries ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a current gain of 175. If the base current is 0.1 mA, what is the collector current? 175 mA 1.75 mA None of these 17.5 mA 1750 mA 175 mA 1.75 mA None of these 17.5 mA 1750 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An intrinsic semiconductor has some holes in it at room temperature. What causes these holes? Valence electrons Free electrons None of these Thermal energy Doping Valence electrons Free electrons None of these Thermal energy Doping ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS