Electronic Principles A battery is a device composed of one or more: solar cells None of these chemical cells piezoeletric cells voltage generators solar cells None of these chemical cells piezoeletric cells voltage generators ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 megohms is: 100,000 ohm 1 k ohm one-millionth of an ohm one million ohms None of these 100,000 ohm 1 k ohm one-millionth of an ohm one million ohms None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely capacitive circuit: doubles the amount of total current has no effect on the total circuit current thrice the amount of total current None of these cuts the total current by one-half doubles the amount of total current has no effect on the total circuit current thrice the amount of total current None of these cuts the total current by one-half ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the voltage from a power outlet is 120 Vrms. What is the peak voltage? 180 V 170 V 100 V 120 V None of these 180 V 170 V 100 V 120 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current? 300 mA 208 mA 200 mA None of these 7.8 mA 300 mA 208 mA 200 mA None of these 7.8 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following principles best describes the basic operation of a generator? Current flowing through a conductor generates a magnetic field Like magnetic poles attract; unlike poles repel Current is induced in a conductor that is moving through a magnetic field Like magnetic poles repel; unlike poles attract None of these Current flowing through a conductor generates a magnetic field Like magnetic poles attract; unlike poles repel Current is induced in a conductor that is moving through a magnetic field Like magnetic poles repel; unlike poles attract None of these ANSWER DOWNLOAD EXAMIANS APP