Electronic Principles Which one of the following devices is most often used for measuring opposition to current flow in a circuit? None of these Ammeter Voltmeter Ohmmeter Wattmeter None of these Ammeter Voltmeter Ohmmeter Wattmeter 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? 3.75 mA None of these 13 mA 3.2 mA 0.05 mA 3.75 mA None of these 13 mA 3.2 mA 0.05 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The direction of electron current flow is: None of these from positive to negative from right to left from neutral to positive from negative to positive None of these from positive to negative from right to left from neutral to positive from negative to positive ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the diameter of the coil in an inductor: None of these multiplies the value of inductance by two multiplies the value of inductance by four reduces the value of inductance by one-half reduces the value of inductance by one-fourth None of these multiplies the value of inductance by two multiplies the value of inductance by four reduces the value of inductance by one-half reduces the value of inductance by one-fourth ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the phase shift between total current and voltage, if 100 ohm resistor connected in parallel with an inductor that has a reactance of 200W? 90 degree 180 degree 0 degree None of these 26.6 degree 90 degree 180 degree 0 degree None of these 26.6 degree ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the voltage from a power outlet is 120 Vrms. What is the peak voltage? 180 V 100 V 170 V None of these 120 V 180 V 100 V 170 V None of these 120 V ANSWER DOWNLOAD EXAMIANS APP
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