NICK'S ELECTRICAL TEST EQUIPMENT

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220uH Fixed Inductor 08A SMT JW Miller PM3316 221M 400    US $199.99

Multronics Fixed Inductors M22 20 22MHY 20AMP 1 2 by 090 Ribbon    US $89.00

Fixed Edgewound Inductors Coil Tank Model 200 218 18 uH    US $68.22

Fixed High Power Transmitting Inductor Coil    US $55.00

10 X iPhone 4 No Signal or No Wifi fix Blue Inductor Coil repair Apple part USA    US $50.00

1000pcs 10uH Axial Lead Color Ring Fixed Inductor 1 2W    US $49.99

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Physics AC Circuit Problem?

A series circuit contains only a resistor and an inductor. The voltage V of the generator is fixed. If R = 12 ohms and L = 4.5 mH, find the frequency at which the current is one-half its value at zero frequency

current is one-half when Z= 2R
Z^2= R^2 + L^2. (2pi. F)^2
4R^2 = R^2 + L^2.40.F^2
3R^2/40L^2 =F^2
432/ 40x(4.5.10^-3)^2 = F^2
432/ 40x20.25.10^-6 =F^2
0.5333x 10^6 = F^2

F= 730 Hz

Goodbye

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Best Match Time: ending soonest Time: newly listed Price: lowest first Price: highest first Price + Shipping: lowest first Price + Shipping: highest first

220uH Fixed Inductor 08A SMT JW Miller PM3316 221M 400    US $199.99

Multronics Fixed Inductors M22 20 22MHY 20AMP 1 2 by 090 Ribbon    US $89.00

Fixed Edgewound Inductors Coil Tank Model 200 218 18 uH    US $68.22

Fixed High Power Transmitting Inductor Coil    US $55.00

10 X iPhone 4 No Signal or No Wifi fix Blue Inductor Coil repair Apple part USA    US $50.00

1000pcs 10uH Axial Lead Color Ring Fixed Inductor 1 2W    US $49.99

1000pcs 22uH Axial Lead Color Ring Fixed Inductor 1 2W    US $49.99

1000pcs 1uH Axial Lead Color Ring Fixed Inductor 1 2W    US $49.99

1000pcs 1mH Axial Lead Color Ring Fixed Inductor 1 2W    US $49.99

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