Gauss Electromagnetic

EMF problem?

Currents in DC transmission lines can be 100 A or more. Some people have expressed concern that the electromagnetic fields (EMFs) from such lines near their homes could cause health dangers. Then use your estimate to calculate the strength of the magnetic field these lines produce at ground level. Express your answer in teslas and as a percent of the earth’s magnetic field (which is 0.500 gauss).

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Magnetic field = B =(mu)o*I /2pi*r

Current I =100A

Distance = r =10 m

(mu)o =4pi*10_7

B =4pi*10_7*100 / 2pi*10

B =2*10^-6 tesla

Earth’’s field = B(e)=0.5 gauss = 5*10^-5 tesla

B /B(e)=2*10^-6 / 5*10^-5

B /B(e)=2 / 5*10

B /B(e)=1/25

B /B(e)= 4%

B =4% B(e)

The strength of the magnetic field these lines produce at ground level 4 % of the earth’s magnetic field (which is 0.500 gauss).

This should not cause worry as the increase in total magnetic field very small
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Inspections of electromagnetic fields (EMF) from Atlanta

Atlanta inspection inspection provides EMF reading in affordable cost.people are routinely exposed cause health effects? We're number one in the measurement service.

Can the electric and magnetic fields (CEM) for individuals are routinely exposed cause health effects? What are the sources of EMF, and when are EMFs dangerous?

EMF (electromagnetic fields o) is a broad term that includes the electric fields generated by charged particles in motion, and the electromagnetic fields as television, radio, hairdryer and microwave. Electric fields are measured in units of volt per meter or V / m. Magnetic fields are measured in milliseconds Gauss or mG. The field is always strongest near the source and diminishes as you move away from the source. These energies have the ability to influence particles at great distances. For example, radiation from a radio tower influences the atoms within a distant radio antenna, allowing you to get the signal. Despite the many wonderful benefits of electrical technology, the biological effects of EMF on tissue remains the most controversial aspect of the issue of EMF, with almost all scientists agree that more research is needed to determine safe or dangerous levels.

Research since the mid 1970 has provided extensive information on biological responses to power frequency electric and magnetic fields. The electric and magnetic fields (EMF) Research and Public Information Dissemination (RAPID) Program was charged with the objective of determining if electric and magnetic fields associated with generation, transmission and utilization of electrical energy pose a risk to human health. The fact that 20 years of research have failed to that question is clear evidence that the health effects of EMF are not obvious and that risk relationships, if risk is identified, it is not simple. Since epidemiological studies have questioned the relationship between severe damage to human health and exposure to electric and magnetic fields, the program adopts the hypothesis that exposure to electric and magnetic fields under some conditions can lead to unacceptable risks to human health. The focus of the program is not just for testing, as far as possible within the statutory time limits, that hypothesis for serious health effects already identified, only identified as far as possible the conditions Special lead to increased risk and to recommend measures to manage risk.

Electromagnetic hypersensitivity (ES) is a physiological disorder characterized by symptoms directly caused by exposure to electromagnetic fields. It produces neurological and allergic-type. Symptoms may include, but are not limited to, headache, eye irritation, dizziness, nausea, rash, facial swelling weakness, fatigue, joint pain and / or muscles, buzzing / ringing in the ears, skin numbness, abdominal pressure and pain, difficulty breathing and irregular heartbeat. Persons affected may experience a sudden onset of symptoms after exposure to a new EMF such as fields associated with a new computer or with new fluorescent lights, or new home or working environment. Onset of ES has also reported following chemical exposure. A concerted effort to facilitate scientific research valid on which to base decisions about EMF exposure is ongoing, and results are expected over the coming years. Meanwhile, some authorities recommend simple preventive measures, such as:

• Increase the distance between you and the EMF source sit with their arms extended terminal computer.
• Avoid unnecessary proximity to EMF sources not let children play directly under power lines or on top of power transformers for underground lines.
• Reduce the time spent in the field to turn off the computer monitor and other electrical appliances when you arent using.

The Office of Technology Assessment Congress of the United States recommends a policy of prudent avoidance with respect to EMF. Prudent avoidance means to measure fields, determine the sources, and act to reduce exposure.

1. Detect EMFs in your home and work environment. Good to know where the sources of EMF are in their everyday world and how these sources are strong. Is there wiring in the wall behind her bed not even know? Is the vaporizer emitting strong fields in the nursery? How much EMF are you and your family getting from the power lines in the street? Even a hair dryer emit EMF. Home inspectors often have meters to measure EMFs, or they can be bought and share with friends.

2. Reduce your exposure to find the EMF. Determine the distance to be kept away from the emitting EMF in your home and work environment to achieve less than 2.5 mg exposurethe microwave, the alarm, equipment, and so on. Rearrange the furniture (especially the beds, desks, sofas and where you spend the most time) away from heaters, wiring, fluorescent lights, electric bells, and other EMF hot spots. Where possible, replace appliances with devices other than electrical. Where possible, replace appliances with devices other than electrical. Have an electrician correct faulty high EMF wiring and will help eliminate lost dangerous ground currents. Consult a qualified engineer in the CEM 404 680-4578 if necessary. Contact exact field tests Home Inspection for a reading test at home for 79.95 in your area.
3. Protect yourself. Use protective devices for the computer screen and cellular phone. Add shielding to your household wiring, fuse box, and transformers.

Electric fields at home, on average, range 0-10 volts per meter. They can be hundreds of millions, thousands, or even times weaker than those found outdoors near power lines. Electric fields directly beneath power lines may vary from a few volts per meter, for some overhead distribution lines to several thousand volts per meter in the extra high voltage lines of energy. Electric fields from power lines soon weaken over distance and can be reduced greatly walls and roofs of buildings.

Magnetic fields are not blocked by most materials. Magnetic fields in homes are varied. Magnetic fields rapidly diminish with distance from the source.

The graph on the left summarizes data from a study by the Electric Power Research Institute (EPRI) in which in situ measurements of magnetic fields were made in center of 992 rooms in houses throughout the United States. Half of the houses studied had measurements of the magnetic field of 0.6 mg or less, when the average of measurements of all the rooms of the house was calculated (the average in every room of the magnetic field). The all rooms have the following meanings magnetic field capable of all the houses of study was 0.9 mG. The measurements were carried out electrical and reflect primarily the fields of electrical connections and lines out of power.

If you are comparing the information contained in this chart with measurements in your own home, keep in mind that this chart shows averages of measurements made over the houses, the highest measurement found in the home.

Magnetic fields near electrical appliances are often much stronger than those from other sources, including magnetic fields directly under power lines. Appliance fields decrease of force with distance faster than the fields of power lines.

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