Electronic Principles Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value? None of these 35.4 V 30.4 V 38.74 V 37.4 V None of these 35.4 V 30.4 V 38.74 V 37.4 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 3.2 mA None of these 13 mA 3.75 mA 0.05 mA 3.2 mA None of these 13 mA 3.75 mA 0.05 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a negative ion? An atom that contains more electrons than protons An atom that contains more protons than electrons An atom that contains more electrons than neutrons None of these An atom that contains more protons than neutrons An atom that contains more electrons than protons An atom that contains more protons than electrons An atom that contains more electrons than neutrons None of these An atom that contains more protons than neutrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly determines the power dissipation of a resistance when you know the voltage drop and amount of resistance? None of these P = I2R P = E2/R I = P/E P = IE None of these P = I2R P = E2/R I = P/E P = IE ANSWER DOWNLOAD EXAMIANS APP
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: None of these No more than 10% less than the primary current Same as the primary current One-half the primary current Twice the primary current None of these No more than 10% less than the primary current Same as the primary current One-half the primary current Twice the primary current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the inductive reactance of a 0.1-H coil that is operating at 1000 Hz? 628 Ohm 100 Ohm Less than 1 Ohm 444 Ohm None of these 628 Ohm 100 Ohm Less than 1 Ohm 444 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
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