12 Practical Electrical Wiring Residential Chapter 3 Review Answers Solutions
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Practical Electrical Wiring Residential Chapter 3 Review Answers Solutions - Query 10 to calculate capacitance, which of the following formulas is proper correct answer: v = q/c question 11 if a modern-day of 12.5a flows for a time of 2 minutes calculate the amount of rate transferred correct solution: 1500 coulombs remember the charge is q and q=ixt query 12 if a fee of 500 micro coulombs is stored in a 25 micro farad capacitor, what is going to the p.D. Across the plates be? Accurate answer: 20 volts query 13 calculate the fee if a two hundred micro farad capacitor is conected to a two hundred volts deliver accurate solution: zero.04 coulombs query 14 calculate the equal capacitance of 3 capacitors when linked in series. There values are : five micro farad, 10 micro farad and 30 micro farad accurate answer: 3 micro farad question 15 the electric discipline power of a capacitor is decided with the aid of the voltage between the plates divided via the thickness of the dialectric. However what units are electric powered subject strength measured in ? Accurate solution: volts per metre remember e = u/d question 16 that is accurate system for calculating the energy saved in a capacitor correct answer: e = zero.5cu2 question 17 as a general rule, when a capacitor is completely charged what will it block? Correct solution: a d.C. Contemporary question 18 the capacitor fitted within the starter switch of a fluorescent light becoming is for what reason ? Correct solution: to suppress radio frequency interference .
Query 19 fixed capacitors may be placed into three widespread lessons related to their dialectrics which magnificence could an electrolytic capacitor be in ? Accurate answer: polarised capacitor question 20 if the height voltage is 1 volt ac what is the rms cost correct solution: 0.707v .
Farads joules coulombs volts query 2 for optimum capacitance the plates of a capacitor ought to be as large as viable as small as possible as close as possible as a ways apart as feasible query three inductance is measured in what units ? Amps consistent with 2nd volts according to metre coulombs henries question 4 if a polarised (electrolytic) capacitor was related the incorrect way round to a supply, what could occur ? It'd only fee up all through the advantageous half cycle it might most effective price up throughout the bad 1/2 cycle it would no longer fee up at all it might be destroyed query five calculate the electricity saved in a 200 micro farad capacitor linked to a 200 volt deliver zero.02 joules eight joules 4 joules forty joules question 6 if three 10 micro farad capacitors are linked in collection, the charge on each capacitor might be the equal three instances as exceptional one 1/3 three tenths question eight what is the components had to calculate the electricity stored in an inductor? E = 0.5cu2 e = 0.5li2 e = half blv e = blv query nine on an ac mains deliver of 230volts, what is the minimum voltage fee which capacitors should be rated at? 250 volts four hundred volts six hundred volts 220 volts .