In a capacitive circuit - Study guides, Class notes & Summaries

Level 2 Module 1 Alternating Currents 2:1 What is the step-down turns ratio of a transformer with 200 turns in the primary and 100 turns in the secondary? induced high voltage Opening the secondary of a CT under load will cause a dangerous level of___. 40Hz What is the hertz rating of an AC circuit if the frequency is 20 cycles per 1/2 second? 340V Given: A circuit has an rms voltage of 120VAC. What is the peak-to-peak voltage? 175V A circuit has a peak voltage of 275V....

In capacitors, what is the purpose of the dielectric? - Prevent arcing within the capacitor Which of the following is true about capacitors in AC circuits? - Current leads voltage all the time What describes a capacitor s ability to store an electrical charge? - Capacitance which of the following statements is correct about polarized electrolytic capacitors? - Voltage polarity must be correct What is the time constant for a circuit with 150k ohms and 2 microfarad capacitor? - .3 seco...

In capacitors, what is the purpose of the dielectric? - ANSWER-Prevent arcing within the capacitor Which of the following is true about capacitors in AC circuits? - ANSWER-Current leads voltage all the time What describes a capacitor s ability to store an electrical charge? - ANSWER-Capacitance which of the following statements is correct about polarized electrolytic capacitors? - ANSWER-Voltage polarity must be correct What is the time constant for a circuit with 150k ohms and 2 mic...

At what torque angle of operation does power typically begin to flow from the generator to the system? A) 90 degrees B) 60 degrees C) 30 degrees D) 10 degrees 10 degrees Choose the answer that best describes the operation of a rotor. A) The stationary part of the transmission system. B) A type of superconductor. C) The stationary element of a generator that has its windings connected to the system. D) The excited (energized) field winding that rotates inside the stator to induce current into the...

NCCER 26201-20 ALTERNATING CURRENT QUESTIONS AND ANSWERS FULLY SOLVED An electric current always produces ? A magnetic field The number or cycles an alternating electric current undergoes per second is known as ? Frequency What is the peak voltage in a circuit with an RMS voltage of 120 VAC ? 170 VAC Wich of the following conditions exist in a circuit of pure resistance ? The voltage and current are in phase In a purely resistive AC circuit where 240v is applied ...

NCATT AET LATEST EXAM QUESTIONS WITH CORRECT DETAILED ANSWERS GRADED A+ What determines whether the vector is positive or negative is - Answer-determined if the circuit is more capacitate reactant or inductive reactant Voltage is common - Answer-in a parallel circuit If asked to determine impedance in a parallel cuircuit, you will need to determine - Answer-the total current in the circuit Resonance - Answer-a condition where the capacitive and inductive reactance of an LC circuit a...

The Associate CET Study Guide: 2024 AST Practice EXAM 2: Appendix A Rated A+ A track on a computer removable disk is: A. One record B. Divided into sectors C. Created as data written D. One continuous path B. Divided into sectors In PC type computers, extended memory is: A. Memory above the basic 640 K B. Memory above the basic 1 Megabyte C. Added to basic RAM in 1mb blocks D. Adjusted by the start up files B. Memory above the basic 1 Megabyte Which video system has ...

What is the most important law applicable to the study of electricity? - Answer-Ohm's Law (V = I x R) What are the elements of Ohm's Law? - Answer-Voltage (v), Current (I), Resistance (R) What are 4 sources of electrical power? - Answer-Mechanical (generator/ alternator), Chemical (battery), Photoelectric (light), and Thermal (heat) What does an electrical circuit consist of? - Answer-A source of electrical pressure (EMF), Resistance in the form of an energy consuming electrical devic...

BICSI Installer 1 Questions and Answers Already Passed 1. **What is the 25-pair color code used for?** - The 25-pair color code is used for identifying individual pairs of wires in telecommunications cables. It uses color combinations such as White - Blue, Orange, Green, Brown, Slate. White - Blue, orange, green, brown, slate Red - Blue, orange, green, brown, slate Black - Blue, orange, green, brown, slate Yellow - Blue, orange, green, brown, slate Violet - Blue, orange, green, br...

When current in an AC circuit is doubled, power losses in the circuit will respond in which way? a) half as much b) does not change c) doubles d) four times greater -Answer d) four times greater What determines the size of insulators used on power lines? a) Current flow on the line b) Voltage level of the line c) Reactance of the line d) Operating Limit of the line -Answer b) Voltage level of the line Reactive power is needed to support which type of load? a) Inductive b) Capacitive ...