Electronic Principles Which one of the following statements most accurately reflects the nature of ac power? The current in an ac circuit changes direction periodically None of these The current in an ac circuit flows in two directions at the same time The current in an ac circuit flows in one direction at a steady level The current in an ac circuit flows in one direction, but changes value periodically The current in an ac circuit changes direction periodically None of these The current in an ac circuit flows in two directions at the same time The current in an ac circuit flows in one direction at a steady level The current in an ac circuit flows in one direction, but changes value periodically ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A circuit has two different voltage sources that are connected in a series-aiding form. If the sources are rated at 6 V and 9 V, what is the total source voltage? 7.5 V 15 V 8 V 16 V None of these 7.5 V 15 V 8 V 16 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Reducing the amount of current through an inductor: has no effect on the inductance multiplies the value of inductance by two None of these multiplies the value of inductance by four reduces the value of inductance by one-half has no effect on the inductance multiplies the value of inductance by two None of these multiplies the value of inductance by four reduces the value of inductance by one-half ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What form of energy is used to maintain an imbalance of charges between the terminals of a battery? Solar energy Mechanical energy None of these Chemical energy Electronical energy Solar energy Mechanical energy None of these Chemical energy Electronical energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts thermal energy to electrical energy is called a: None of these thermocouple solar cell piezoelectric devices chemical cell None of these thermocouple solar cell piezoelectric devices chemical cell ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A battery is a device composed of one or more: voltage generators piezoeletric cells chemical cells solar cells None of these voltage generators piezoeletric cells chemical cells solar cells None of these ANSWER DOWNLOAD EXAMIANS APP
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