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1. ### A 100-turn, air-core inductor has an area of 200 square micro-meters and is 200 milli-meters long.?

L=muo N^2 area/length where muo=4 pi*10^(-7) and area is in meters squared and length is in meters. You can do the math.

1 Answers · Science & Mathematics · 29/06/2013

2. ### Calculate the energy stored in the magnetic field if the permeability of the core is 500.?

Energy is .5 muo mur B H volume. If you know H and mur, you can easily compute the energy (assuming the core does not saturate). To determine the current use N=H length/currrent

2 Answers · Science & Mathematics · 28/03/2013

3. ### A single straight conductor carries a current of 17A. What is the magnetic field 12m from the conductor?

B=muo I/(4 pi R^2) where muo=4 pi E-7. You can do the math.

1 Answers · Science & Mathematics · 12/12/2012

4. ### A 0.2-cm radius cylinder, 3.0 cm long, is wrapped with wire to form an inductor.?

The flux density is B=muo N I/length and H=B/muo. The energy stored...

1 Answers · Science & Mathematics · 08/11/2013

5. ### how to calculate the magnetic field strength?

H=B/muo, where mo=4*pi*E-7.

1 Answers · Science & Mathematics · 11/11/2013

6. ### How to calculate inductance?

You didn't ask about this but mu=muo*mur where muo=4 pi e-7 and mor is the relative permeability. The gauge of wire doesn't matter as far as the inductance is concerned. It does matter for the power dissipated.

1 Answers · Science & Mathematics · 13/08/2013

7. ### A solenoid is 60 cm long and 3cm in diameter. It has 1250 turns of wire carrying a current of 5 amps. ?

... the solenoid to be air-cored, a magnetic flux density of B = muo.H = 4 x pi x 10^-7 x 10420 Tesla =13.1 x 10-3 T. ...

3 Answers · Science & Mathematics · 13/11/2008

8. ### How do I calculate the magnetic Flux after the Feild has had to pass through an additional material?

..., H is the magnetic field intensity in Amps (mu) = k(muo), flux: @ = k(muo)HA

1 Answers · Science & Mathematics · 28/07/2009