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1. ### what are the weights of 1 cubic inch pf copper, aluminum and, iron?

density Aluminum 2700 kg/m³ density copper 8960 kg/m³ density iron 7870 kg/m³ change 1 cubic inch to cubic meter, then multiply by density above to get weight in kg. .

1 Answers · Science & Mathematics · 18/05/2009

2. ### generally pf meter and kwh meter connected through one CT, is there any difference of their readings when they?

None, as long as you do not exceed the burden of the CT you can connect as many meters as you like to the same CT. .

1 Answers · Science & Mathematics · 01/02/2010

3. ### A 14.1 V battery is connected to a 7.5 pF parallel-plate capacitor. What is the magnitude of the charge on eac?

Q=CV=7.5 x 14.1=105.75picovolts

2 Answers · Science & Mathematics · 23/07/2009

4. ### To measure the field B between poles of an electromagnet , a mall test loop pf area....?

The flux through the loop was ф = NBA and was reduced to zero in time t. so the induced emf is ε = NBA/t. the current is I = ε/R = NBA/R(t) and the total charge passed was Q = It...

1 Answers · Science & Mathematics · 08/07/2012

5. ### how to compute the main feeder of a circuit w/ a load of 100 kw, 3 phase, 440 volts, .8 PF?

For straight computation, without motor loads: I=KW/√3*(440)*(0.8)=100000/609.66 =164.02 amps Design current would be 1.25*164.02=205 amps Size of wire:(not more than 3 conductors in raceway or cable) #250 MCM TW=215 amps...

2 Answers · Science & Mathematics · 23/08/2007

6. ### How to compute the main feeder/wire/conductor THHN of a ckt w/ a load of 100 kw, 3 phase, 440 volts, .8 PF?

current i = 100,000 / 1.73 / .8 / 440 and look it up.

2 Answers · Science & Mathematics · 29/08/2007

7. ### Calculate the energy consuption in a day if a water heater takes 9 A from a 230 V AC supply at a unity PF?

9 Amperes×230 Volts=2070 Watts 2070 Watts× 5 hours = 10.35 kWh

2 Answers · Science & Mathematics · 04/08/2012

8. ### What is the watts on a three phase motor L1 120v 10 Amps - L2 120v 10 amps - L3 120v 10 amps .85 PF?

P= 1.732(120)(10)(0.85) = 1.732(1200)(0.85) = 24,846 watts.

4 Answers · Science & Mathematics · 23/09/2009

9. ### suppose a resistor of 10 ohms, a capacitor of 820 pF, and a coil of 10 microHenry are in parallel.?

suppose a radio is playing annoying country music and i plug it into 240 volts, how much smoke will i see?

1 Answers · Science & Mathematics · 16/06/2013

10. ### 2 99 kw generators in parallel at 208V, 3 phase, 4 wire, 60 Hz, 0.8 pf, what is the full load current?

FLC = 99/sqrt(3)*208*0.8 = 343.9A

1 Answers · Science & Mathematics · 15/04/2008