Electronic Principles Which one of the following statements most accurately reflects the nature of ac power? 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 None of these The current in an ac circuit flows in two directions at the same time The current in an ac circuit changes direction periodically 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 None of these The current in an ac circuit flows in two directions at the same time The current in an ac circuit changes direction periodically ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A certain electromagnet has 1000 turns of wire. How much current must flow through the coil in order to generate an mmf of 100 ampere-turns? 0.1 A 100 A 1000 A None of these 0.41666666666667 0.1 A 100 A 1000 A None of these 0.41666666666667 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements applies to common, non-rechargeable flashlight batteries? Common flashlight batteries are secondary wet-cell batteries Common flashlight batteries are primary wet-cell batteries None of these Common flashlight batteries are primary dry-cell batteries Common flashlight batteries are secondary dry-cell batteries Common flashlight batteries are secondary wet-cell batteries Common flashlight batteries are primary wet-cell batteries None of these Common flashlight batteries are primary dry-cell batteries Common flashlight batteries are secondary dry-cell batteries ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 micro A is: 10000A None of these 1000 A one-millionth of an ampere one million amperes 10000A None of these 1000 A one-millionth of an ampere one million amperes ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A real voltage source has None of these A small internal resistance Infinite internal resistance A large internal resistance Zero internal resistance None of these A small internal resistance Infinite internal resistance A large internal resistance Zero internal resistance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current can flow through a normally open push button switch as long as: its contact remain open you are pressing the button you are not pressing the button its contact remain open None of these its contact remain open you are pressing the button you are not pressing the button its contact remain open None of these ANSWER DOWNLOAD EXAMIANS APP
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