Like charges repel - Study guides, Class notes & Summaries

What does NEC stand for? - National Electric Code What is Ampacity? - The current carrying capacity of wire or cable expressed in amperes or amps. What is EMF? - Electromotive Force (volts) What is Amperage? - The measurement of electrical flow in a conductor. You check volts in parallel or series? - parallel You check amps in parallel or series? - series What is Voltage? - The difference in potential force between two points. Most often called Electromotiv...

Insulators charged by friction -when two insulators move relative to each other, friction between the two can result in both objects becoming electrically charged -one of the objects becomes positively charged and other is negatively -eg plastic being rubbed against duster -conductors can become charged but will only retain that charge of they are insulated from their surroundings. If not insulated, then any charge that builds up will leak away Charging by induction it's possible for obje...

HVAC Work Ready Exam - Electrical Exam Questions And Answers Resistance is? Opposition to current flow An electron has? A negative charge R Impedance is? Opposition to alternating current flow Current flow is? Electron flow in a circuit The safety ground conductor is usually color coded? Green or bare. Like charges? Repel each other The symbol for current is? I Any material that will readily release electrons is called? A conductor Which of the following materials would be...

Resistance is? - Opposition to current flow An electron has? - A negative charge Impedance is? - Opposition to alternating current flow Current flow is? - Electron flow in a circuit The safety ground conductor is usually color coded? - Green or bare. Like charges? - Repel each other The symbol for current is? - I Any material that will readily release electrons is called? - A conductor Which of the following materials would be best suited for use a...

Conceptual Physics Exam Questions and Answers All Correct The charge of an electron is ____. - Answer-Negative Atomic nuclei of almost all elements consist of _____. - Answer-Protons and neutrons Two like charges ____. - Answer-Repel each other Protons and electrons ____. - Answer-Attract each other Electrical forces between charges are normally strongest when the charges are _____. - Answer-Close together Coulomb's law says that the force between any two charges depends _____....

HVAC Excellence - ELECTRICITY Exam Questions And Answers Current flow is: - ANS The flow of electrons in the circuit. Impedance is: - ANS Opposition to alternating current flow. Like charges; - ANS repel each other. Any material that will readily release electrons is called; - ANS A conductor The symbol for current is; - ANS I Which of the following materials would be best suited for use as a semiconductor? - ANS silicon The safety ground conductor is usually co...

1. The "triboelectric effect" causes what kind of electricity? ANS Static 2. The law of static electrical charges states ANS like charges repel 3. Minute particles that make up all possible elements and still retain the unique chemical characteristics of the element are called . ANS - Atoms 4. A molecule is the smallest particle of matter that can exist by itself. (1) ANS True (1) 5. A basic atom must contain what two types of subatomic particles? ANS Electron and proton 6. An electr...

HVAC Excellence - ELECTRICITY Exam Questions and Answers Already Passed Current flow is: The flow of electrons in the circuit. Impedance is: Opposition to alternating current flow. Like charges; repel each other. Any material that will readily release electrons is called; A conductor The symbol for current is; I Which of the following materials would be best suited for use as a semi-conductor? silicon The safety ground conductor is usually color coded; green or bare. An ...

HVAC Excellence - ELECTRICITY Exam Questions And Answers Current flow is: - ANS The flow of electrons in the circuit. Impedance is: - ANS Opposition to alternating current flow. Like charges; - ANS repel each other. Any material that will readily release electrons is called; - ANS A conductor The symbol for current is; - ANS I Which of the following materials would be best suited for use as a semi-conductor? - ANS silicon The safety ground conductor is usu...

Physics Chapter 4 X-ray Circuit Exam Review Solution 2023 Qs&As Alternating Current (AC) - ANSWER-Electrical current that changes direction in cycles as the electric potential of the source changes Automatic Exposure Control (AEC) - ANSWER-A device that uses an ionization chamber to detect the quantity of radiation exposing the pt and IR Conductor - ANSWER-Material with an abundance of free electrons allowing free flow of electricity Current - ANSWER-An expression of the flow of electron...