Power amps - Study guides, Class notes & Summaries

NCCER Electrical module 3 (intro to electrical circuits) Exam Questions And Answers All Verified a circuit has a source voltage of 50v and a current of 10A, what is the power in watts? - ANS 500w voltage is defined as the? - ANS driving force that makes current flow in a circuit if a circuit has 12 amps of current and the resistance is 20 ohms, the applied voltage is? - ANS 240 volts if two 10 ohm resistors are connected in series, what is the total resistance of the resistors? ...

Chapter 3: Conducted and Wireless Media TRUE/FALSE 1. Category 1 twisted pair wire is not recommended for transmitting megabits of computer data. ANS: T PTS: 1 REF: 63 2. Category 1 wire is susceptible to experiencing noise and signal attenuation. ANS: T PTS: 1 REF: 63 3. Category 1 twisted pair wire produces less noise and signal attenuation than Category 2. ANS: F PTS: 1 REF: 63 4. Much of the Category 3 wire sold today is used for new computer network installations. ANS: F PTS: 1 REF: 6...

In BAEP's, cochlear nucleus lesion causes? Increased III-V, increased I-V Which modality is most useful in monitoring the integrity of the corticospinal tracts during resection of an intramedullary spinal cord tumor? D-Waves The stimulus used in a brainstem auditory evoked potential study is a click with a peak acoustic power in the range of 2000 to 4000Hz Which of the following tibial nerve responses is not a near field response? N31 How many amperes of current w...

IAAI CFI Study Questions 2021with All Correct Answers Combustible Liquid - ANSWER A liquid with a flash point ABOVE 100F 12.5 - ANSWER If the current flowing out from an electrical panel is 12.5 amps, and it then flows through an electrical load of 1500 watts, what is the amperage of the remaining current flow of the return circuit? 1000 - ANSWER If a hair dryer draws 8.3amps (in a home with 120-volt service), what is the wattage? *Power (P) = current (I) x voltage (V...

How DC motors operate? Magnetic lines of force are continuous and always form closed loops; Magnetic lines of force do not cross. Armature: (Definition) The rotating windings of a DC motor. The ____ is a movable electromagnet located between the poles of another fixed permanent (field) magnet as shown. Armature A twisting force called ______ must be developed. _____ is produced by mounting a loop in a fixed magnetic field and as long as the fields of the magnet and armatu...

Combustible Liquid - Correct answer-A liquid with a flash point ABOVE 100F 12.5 - Correct answer-If the current flowing out from an electrical panel is 12.5 amps, and it then flows through an electrical load of 1500 watts, what is the amperage of the remaining current flow of the return circuit? 1000 - Correct answer-If a hair dryer draws 8.3amps (in a home with 120-volt service), what is the wattage? *Power (P) = current (I) x voltage (V) Watts = amps x volts 1987 - Correct answer-The y...

Progression: Maintenance Tech I - II Conventional: Exam In the tree-and-branch architecture, how is the downstream signal from the trunk fed to the distribution branches? What is a common solution when congestion from modem activity and traffic becomes unacceptable in a hybrid fiber/coax (HFC) network? What technologies are defined in DOCSIS 4.0 to help sustain the hybrid fiber/coax (HFC) network infrastructure for several more years? How can a less-experienced technician identi...

NOCTI Electrical Questions and Answers Already Passed In general a beginning tradesperson with little or no experience in the electrical field is known as a/an apprentice The proper angle for setting up a ladder is to place its base a/an___________ of the working length of the ladder from the wall or other vertical surface. quarter A __________ fire extinguisher should be used on an electrical fire. Class C A person with a serious electrical injury should be moved only if they are in immedia...

Which of the following is true with regard to switchboards Switchboards are used to subdivide large blocks of power When installing wiring within switchgear, use self adhesive cable ties every ___. 12" (300mm) The maximum voltage that a piece of equipment can withstand is known as its ____. Basic impulse insulation level (BIL) Bolted pressure switches are often used in place of ___. Circuit breakers A transformer's temperature rise rating refers to ___. The max...

HVAC Electrical (HVAC Excellence – ELECTRICITY) Final Test Questions and Answers Graded A+ 100%_ How many watts of power are used by a heater operating at 460 volts and drawing 5 amps? - CORRECT ANSWER-2300 watts Current flow is - CORRECT ANSWER-the flow of electrons in the circuit impedance is - CORRECT ANSWER-opposition to alternating current flow like charges - CORRECT ANSWER-repel each other Any material that will readily release electrons is called - CORRECT ANSWER-a conducto...