Emf Study guides, Class notes & Summaries

FCC Grol element 3 Test Questions And Answers What is the basic unit of electrical power? A. Ohm B. Watt C. Volt D. Ampere - ANSWER- B. Watt What is the term used to express the amount of electrical energy stored in an electrostatic field? A. Joules B. Coulombs. C. Watts. D. Volts - ANSWER- A. Joules What will produce a magnetic field? A. DC source not connect to a circuit B. The presence of a voltage across a capacitor. C. A current flowing through a conductor. D. The force ...

(AD) Aviation Machinist Mate Week 2 Quiz 2024 with complete solution Electricity The physical phenomena arising from the existence and interaction of an electrical charge Voltage / Electromotive Force (EMF) The amount of force being applied to a circuit to produce an electron flow Amperage / Current Flow The quantity of electricity flowing through the circuit Resistance The opposition to the flow of electrons offered by a device or material Ohms The measurement of resistance to curre...

NEIEP 400 Final Exam V1 (New 2023/ 2024 Update) Questions and Verified Answers| 100% Correct| Graded A QUESTION Which statement applies when a secondary winding is completely shorted ? Answer: Current through the primary is high QUESTION Which statement applies when a secondary winding is partially shorted ? Answer: Current through the secondary is low QUESTION Which statement applies when a secondary winding is open ? Answer: The sec- ondary resis...

(4-081-1.16) The output voltage of a shunt DC generator is varied by adjusting the: Select one: a. Pole piece air gaps b. Output current c. EMF d. Field rheostat - ANSWER d (4-085-1.11) The Bourdon tube is often shaped in the form of a "C", having an arc span of about: Select one: a. 270 degrees b. 90 degrees c. 180 degrees d. 200 degrees - ANSWER a (4-037-2.7) The extinguishing medium for a Class "D" fire is: Select one: a. Carbon dioxide b. Dry powder c. Aqueous film fo...

Define Voltage? - correct answer -The driving force that makes current flow in a circuit. Voltage often represented by the letter E, is also referred to as electromotive force (emf), difference of potential, or electrical pressure. Define Current? - correct answer -The movement, or flow, of electrons in a circuit. Current(I) is measured in amperes. Define Resistance? - correct answer -An electrical property that opposes the flow of current through a circuit. Resistance (R) is measured in o...

Electrical RECF Questions and Answers 100% Pass In a series circuit voltage is additive In a series circuit current is constant In a series circuit resistance is additive In a parallel circuit voltage is constant In a parallel circuit current is additive In a parallel circuit resistance is 1/1/R+Rn A.M. means amplitude modulation F.M. means frequency modulation Amplitude measures how high something is Frequency measures how much something happens in a given perio...

Which tool is most approprite to clean battery connections? A. B. C. D. - AnswerThe minimum amp circuit breaker that should be used to protect 120V water heater circuit with a 1600-watt element would be rated at _________ amps. A. 15 B. 10 C. 20 D. 30 - Answer-A. 15 When testing for excessive EMF emissions near a conductor or appliance, the tool of choice is a(an): A. Ohmmeter B. DVOM C. Gauss meter D. infrared sensor - Answer-C. Gauss meter The primary problem with using a series...

NCTJ - Media Law - Demfamation Questions with complete solution NCTJ - Media Law - Defamation Truth - correct answer (formerly Justification) Must show that the imputation (ie implications/innuendos) conveyed by the statement is substantially true If one or more of the imputations is not shown to be substantially true The defence does not fail if those imputations do not seriously harm the claimants reputation What can the truth defence only be applied to? - correct answer Using the...

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...

Voltage CORRECT ANSWER Electromotive Force, or EMF, force that causes electrons to flow in a circuit (E) Volt CORRECT ANSWER Unit of electromotive force 12 Volts CORRECT ANSWER Amount of voltage that a mobile transceiver usually requires Current CORRECT ANSWER Flow of electrons in an electric circuit (I) Amperes CORRECT ANSWER Measurement of electrical current Direct Current CORRECT ANSWER Current that flows only in 1 direction Alternating Current CORRECT ANSWER Current that re...