Hysteresis losses - Study guides, Class notes & Summaries

ANR 2022 -> DECK MANAGERIAL -> 08 MIB (QUESTIONS & ANSWERS) ANR a) 1 A transformer in an electric circuit serves to generate its own electrical power b) c) d) transform electrical energy into mechanical energy increase or decrease circuit voltage as required convert AC current to DC current Right answer: a) b) c) d) X ANR a) 2 The basic operating principle of a transformer is attributed to electromagnetic induction b) c) d) variance of a conducto...

Journeyman Electrical Exam #1 Questions with Correct Answers A ____ is a machine used to transform mechanical energy into electrical energy. - Answer-Generator. An ____ is a material with atoms in which the electrons tend to stay in their orbits. - Answer-Insulator. Hysteresis losses ____. - Answer-Are caused by high frequency alternating current in a coil with an iron core. In magnetic and electric circuit analogy, magnetic flux is the analog of ____. - Answer-Current. A device t...

Industrial Red Seal Practice Exam Questions and Answers Already Passed NB: Answers appear before each question and are highlighted in yellow. B Which meter will be damaged when used on an energized circuit? A) A wattmeter. B) An ohmmeter. C) An ammeter. D) A voltmeter. D The open circuit voltage of a lead acid battery is 39 Volts, and the terminal voltage is 35 Volts when connected to a 141 Amp load. What is the internal resistance of the battery? A) 4.0 ohms. B) 1.7 ohms. C) 0.283 ohms. D)...

Journeyman Electrical Closed Book Exam 1 Questions and Answers 100% Pass An advantage of an electromagnent over a permanent magnent is that ____. An electromagnent can be switched on and off. An excellent diffuser surface is one that ____. Scatters light uniformly in all directions. Light is converted into electricity ____. In a photovoltaic cell. The rotating part of a DC motor is known as ____. Armature. A device used to pull wires through a conduit is called ____. Fish tape. In making a ...

MCQ 770 Questions & Answer Electrical Engineering 2024 UpdateMCQ 770 Questions & Answer Electrical Engineering 2024 Update 1. The ratio of voltage and electric current in a closed circuit a. remains constant b. varies c. increases d. falls Ans-c 2. The curve representing ohm's law is a. sine function b. Linear c. a parabola d. a hyperbola Ans-b 3. The resistance of a conductor having length l area of cross section a and resistivity ρ is given as: a. ρa/l b. ρl/a c. ρla d. l/ρ...

MCQ 770 Questions & Answer Electrical Engineering 2024 UpdateMCQ 770 Questions & Answer Electrical Engineering 2024 Update 1. The ratio of voltage and electric current in a closed circuit a. remains constant b. varies c. increases d. falls Ans-c 2. The curve representing ohm's law is a. sine function b. Linear c. a parabola d. a hyperbola Ans-b 3. The resistance of a conductor having length l area of cross section a and resistivity ρ is given as: a. ρa/l b. ρl/a c. ρla d. l/ρ...

Journeyman Electrician Exam Questions and Answers Already Passed An electromagnet can be switched on and off And advantage of an electromagnet over a permanent magnet is Scatters light uniformly in all directions An excellent diffuser surface is one that In a photovoltaic cell Light is converted into electricity Armature The rotating part of a DC motor is known as Fish tape A device used to pull wires through a conduit is called Approximately zero In making a resistance test, remember that ...

Scatters light uniformly in all directions An excellent diffuser surface is one that In a photovoltaic cell Light is converted into electricity Armature The rotating part of a DC motor is known as Fish tape A device used to pull wires through a conduit is called Approximately zero In making a resistance test, remember that the resistance of a short circuit is Parallel To increase current capacity, battery cells are connected in 10 The hot resist...

MCQ 770 Questions & Answer Electrical Engineering 2024 UpdateMCQ 770 Questions & Answer Electrical Engineering 2024 Update 1. The ratio of voltage and electric current in a closed circuit a. remains constant b. varies c. increases d. falls Ans-c 2. The curve representing ohm's law is a. sine function b. Linear c. a parabola d. a hyperbola Ans-b 3. The resistance of a conductor having length l area of cross section a and resistivity ρ is given as: a. ρa/l b. ρl/a c. ρla d. l/ρ...

An advantage of an electromagnet over a permanent magnet is that... an electromagnet can be switched. An excellent diffuser surface is one that... scatters light uniformly in all directions Light is converted into electricity... in a photovoltaic cell The rotating part in a DC motor is known as... an armature A device used to pull wires through a conduit is called... fish tape In making a resistance test, remember that the resistance of a short circuit i...