Electronic Principles Which one of the following devices is most often used for measuring electrical potential difference? Ammeter None of these Voltmeter Wattmeter Ohmmeter Ammeter None of these Voltmeter Wattmeter Ohmmeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Most AC power is obtained from: lightning None of these batteries generators oscillators lightning None of these batteries generators oscillators ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The value of a capacitor can be made larger by: None of these increasing the area of the plates decreasing the area of the plates increasing the frequency of the applied voltage increasing the voltage applied to the plates None of these increasing the area of the plates decreasing the area of the plates increasing the frequency of the applied voltage increasing the voltage applied to the plates ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements regarding ac circuits is correct? All of these Current leads the voltage through a resistor Current and voltages are in phase through a resistor Current lags the voltage through a resistor None of these All of these Current leads the voltage through a resistor Current and voltages are in phase through a resistor Current lags the voltage through a resistor None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following principles best describes the basic operation of an electromagnet? Like magnetic poles attract, while unlike poles repel Current flowing through a conductor generates a magnetic field Current is induced in a conductor that is moving through a magnetic field None of these Like magnetic poles repel, while unlike poles attract Like magnetic poles attract, while unlike poles repel Current flowing through a conductor generates a magnetic field Current is induced in a conductor that is moving through a magnetic field None of these Like magnetic poles repel, while unlike poles attract ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the zener diode has a breakdown voltage of 10 V and zener resistance of 8.5 W, what is the additional voltage when the current is 20 mA? 0.17 V 10.17 V 18.8 V 20 V None of these 0.17 V 10.17 V 18.8 V 20 V None of these ANSWER DOWNLOAD EXAMIANS APP
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