Electronic Principles The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current? 7.75 µA 14.8 µA None of these 7.8 µA 10.3 µA 7.75 µA 14.8 µA None of these 7.8 µA 10.3 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The direction of electron current flow is: from positive to negative from neutral to positive from negative to positive from right to left None of these from positive to negative from neutral to positive from negative to positive from right to left None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A low-pass filter: passes higher-frequency signals and reduces lower-frequency signals None of these has no effect on ac signals passes lower-frequency signals and reduces higher-frequency signals reduces the level of all frequencies by a significant amount passes higher-frequency signals and reduces lower-frequency signals None of these has no effect on ac signals passes lower-frequency signals and reduces higher-frequency signals reduces the level of all frequencies by a significant amount ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the turns ratio of a power transformer that shows 50 V at its secondary winding when you apply 150 V to its primary winding? None of these 43891 2 43922 3 None of these 43891 2 43922 3 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Reducing the amount of current through an inductor: multiplies the value of inductance by four has no effect on the inductance multiplies the value of inductance by two reduces the value of inductance by one-half None of these multiplies the value of inductance by four has no effect on the inductance multiplies the value of inductance by two reduces the value of inductance by one-half None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A resistor has a rated value of 100 ohm and a tolerance of 10%. What is its minimum and maximum allowable resistance value? 99 Ohm - 102 ohm None of these 98 Ohm - 100.1 ohm 90 Ohm - 101 ohm 90 Ohm - 110 ohm 99 Ohm - 102 ohm None of these 98 Ohm - 100.1 ohm 90 Ohm - 101 ohm 90 Ohm - 110 ohm ANSWER DOWNLOAD EXAMIANS APP
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