Electronic Principles The secondary voltage for a certain power transformer is twice the voltage applied to the primary. The current flowing in the secondary winding will be: Same as the primary current None of these One-half the primary current Twice the primary current No more than 10% less than the primary current Same as the primary current None of these One-half the primary current Twice the primary current No more than 10% less than the primary current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltages in a series RL circuit? The total voltages is equal to the sum of the voltages across the resistance and inductance The total voltage is less than the sum of the voltages across the resistance and inductance The total voltage lags the total current by less than 90 None of these The voltage always has the same amplitude and phase for every part of the circuit The total voltages is equal to the sum of the voltages across the resistance and inductance The total voltage is less than the sum of the voltages across the resistance and inductance The total voltage lags the total current by less than 90 None of these The voltage always has the same amplitude and phase for every part of the circuit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely capacitive circuit: cuts the total current by one-half has no effect on the total circuit current None of these doubles the amount of total current thrice the amount of total current cuts the total current by one-half has no effect on the total circuit current None of these doubles the amount of total current thrice the amount of total current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The knee voltage of a diode is approximately equal to the Barrier potential Forward voltage None of these Applied voltage Breakdown voltage Barrier potential Forward voltage None of these Applied voltage Breakdown voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The emitter diode is usually Reverse-biased Forward-biased Nonconducting None of these Operating in the breakdwon region Reverse-biased Forward-biased Nonconducting None of these Operating in the breakdwon region ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The period of a waveform is: the time required to complete one full cycle None of these the time required for the voltage to rise from 10% to 90% of the peak amplitude equal to 0.707 times the peak amplitude the number of cycles completed in one second the time required to complete one full cycle None of these the time required for the voltage to rise from 10% to 90% of the peak amplitude equal to 0.707 times the peak amplitude the number of cycles completed in one second ANSWER DOWNLOAD EXAMIANS APP
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