Electicity - Study guides, Class notes & Summaries

Electrical circuits - correct answer A continuous pathway that allows electrons to flow. Electrons carry electrical energy around the circuit. Energy supplier - correct answer Supplies electrical energy to electrons in the circuit. Charged terminals of battery drive the electrons around the circuit from negative to positive. Energy user - correct answer ...

Electricity for HVAC REVIEW Practice Test 3 True or False Accurate 100%(RATED A+) True - ANSWER Copper wire bend easily, has good mechanical strength, resists corrosion, and can be easily joined. True - ANSWER Aluminum is a good conductor of electricity, however, it has a tendency to corrode. False - ANSWER Voltage drop in a conductor is of least importance when sizing wire. False - ANSWER The maximum recommended voltage drop for a branch circuit is eight percent. False - ANSWER T...

True - ANSWER Copper wire bend easily, has good mechanical strength, resists corrosion, and can be easily joined. True - ANSWER Aluminum is a good conductor of electricity, however, it has a tendency to corrode. False - ANSWER Voltage drop in a conductor is of least importance when sizing wire. False - ANSWER The maximum recommended voltage drop for a branch circuit is eight percent. False - ANSWER The allowable voltage drop of most manufacturers is 15% below the nameplate rating. ...

1) An ac source of period T and maximum voltage V is connected to a single unknown ideal element that is either a resistor, and inductor, or a capacitor. At time t = 0 the voltage is zero. At time t = T/4 the current in the unknown element is equal to zero, and at time t = T/2 the current is I = -Imax, where Imax is the current amplitude. What is the unknown element? A) a resistor B) an inductor C) a capacitor D) an inductor or a capacitor Answer: C 2) When an LRC series circuit is driven at...

Know and understand that insulators can be 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 the other becomes negatively charged. Charging by Induction When a neutral object is places near to a charged object, the object can become charged. If one end of an object charged by induction is momentarily earthed, the charge leaks away, and the o...

Electric charge A fundamental property of matter that can be either positive or negative Induced charge Static charge caused by the presence of an already charged object Coulomb's law Inverse square law, Electric Force = F = k * (q₁q₂)/r² = 1/(4πε₀) * (q₁q₂)/r Electrostatic force Force between electrically charged objects. Electric field Force that a source charge would exert on a positive test charge q₀ within its proximity divided by that test charge; E = F/q₀ ...

Electronics ETA Certification Practice Exam 1. The "triboelectric effect" causes what kind of electricity?: Static 2. The law of static electrical charges states:: like charges repel 3. Minute particles that make up all possible elements and still retain the unique chemical characteristics of the element are called _____________.: - Atoms

Electricity and Magnetism Practice Questions and Answers.

Electricity and Electronics Practice Test Latest Updated A+ Score Guide Solution 2024.

A (Blank) (Blank) often has a switch to apply power to the circuit , a switch to control the lights, and a switch to control the fan motor - ceiling fan a (Blank) resistor can be manually adjusted. - variable the black lead from the negative (common) terminal of the DMM should be connected to point with the (Blank) potential in the circuit - lower there is only one path for current to travel in a (Blank) circuit - series a (Blank) circuit has more than one path for current to flow - parall...