Electronics eta - Study guides, Class notes & Summaries

The "triboelectric effect" causes what kind of electricity? - correct answer Static The law of static electrical charges states: - correct answer like charges repel Minute particles that make up all possible elements and still retain the unique chemical characteristics of the element are called _____________. - correct answer Atoms A molecule is the smallest particle of matter that can exist by itself. (1) - correct answer True (1) A basic atom must contain what two types of subato...

1. In alternating current: A. current flow alternates back and forth B. voltage alternates positive and negative C. resistance changes between high and low D. A and B above ANS : D. A and B above 2. Historically, DC came before AC because: A. DC is more useful B. DC is easier to transmit over long distances C. AC requires more advanced technology D. AC is less efficient ANS : C. AC requires more advanced technology 3. An AC voltage source schematic symbol: A. is a sine wave in a...

Electronics ETA Certification Practice ExamThe "triboelectric effect" causes what kind of electricity? - correct answer Static The law of static electrical charges states: - correct answer like charges repel Minute particles that make up all possible elements and still retain the unique chemical characteristics of the element are called _____________. - correct answer Atoms A molecule is the smallest particle of matter that can exist by itself. (1) - correct answer True (1) A b...

Electronics ETA Certification Exam - Questions and Answers Ohm's Law states that voltage is the product of resistance and current. Using algebra, how would you determine the resistance? divide the voltage by the current Watt's law states that power is the product of current and voltage. Using algebra, how could the power be determined if resistance and current are known? current squared times the resistance What does the M+ key on a calculator do? sums the quantity on screen to memory The ba...

Electronics ETA Certification Practice Exam 2024 Questions And Answers. The "triboelectric effect" causes what kind of electricity? Answer- Static The law of static electrical charges states: Answer- like charges repel Minute particles that make up all possible elements and still retain the unique chemical characteristics of the element are called _____________. Answer- Atoms A molecule is the smallest particle of matter that can exist by itself. (1) Answer- True (1) A basic atom must c...

Electronics ETA Certification Practice Exam 2024 Questions And Answers. The "triboelectric effect" causes what kind of electricity? Answer- Static The law of static electrical charges states: Answer- like charges repel Minute particles that make up all possible elements and still retain the unique chemical characteristics of the element are called _____________. Answer- Atoms A molecule is the smallest particle of matter that can exist by itself. (1) Answer- True (1) A basic atom must c...

Electronics ETA Certification Practice Exam 2024 Questions With Correct Answers!!

In alternating current: A. current flow alternates back and forth B. voltage alternates positive and negative C. resistance changes between high and low D. A and B above - correct answer D. A and B above Historically, DC came before AC because: A. DC is more useful B. DC is easier to transmit over long distances C. AC requires more advanced technology D. AC is less efficient - correct answer C. AC requires more advanced technology An AC voltage source schematic symbol: ...

Electronics ETA Certification Practice Exam 74 Questions with Verified Answers The "triboelectric effect" causes what kind of electricity? - CORRECT ANSWER Static The law of static electrical charges states: - CORRECT ANSWER like charges repel Minute particles that make up all possible elements and still retain the unique chemical characteristics of the element are called _____________. - CORRECT ANSWER Atoms A molecule is the smallest particle of matter that can exist by itself. (...

ELECTRONICS ETA CERTIFICATION PRACTICE EXAM