# 3 what is the electric field?

Date created: Mon, Mar 22, 2021 8:53 PM
Date created: Wed, Mar 24, 2021 2:15 AM
The electric field is defined mathematically as a vector field that can be associated with each point in space, the force per unit charge exerted on a positive test charge at rest at that point. The electric field is generated by the electric charge or by time-varying magnetic fields.
Date created: Wed, Mar 24, 2021 1:57 PM
The total electric field is taken by combining the electric fields of all the source particles and superposing them. To determine the strength of the electric force, multiply the field E by the magnitude of the test charge: (4) F field on q = q E The units work out nicely to give Newtons, the expected units of force.
Date created: Thu, Mar 25, 2021 11:03 AM
An electric field is a region of space around an electrically charged particle or object in which an electric charge would feel force. An electric field is a vector quantity and can be visualized as arrows going toward or away from charges.
Date created: Fri, Mar 26, 2021 9:23 AM
Properties of an Electric Field Field lines never intersect each other. They are perpendicular to the surface charge. The field is strong when the lines are close together, and it is weak when the field lines move apart from each other. The number of field lines is directly proportional to the ...
Date created: Sat, Mar 27, 2021 9:13 PM
The electric field is defined mathematically as a vector field that associates to each point in space the (electrostatic or Coulomb) force per unit of charge exerted on an infinitesimal positive test charge at rest at that point. The derived SI units for the electric field are volts per meter (V/m), exactly equivalent to newtons per coulomb (N/C).
Date created: Sun, Mar 28, 2021 9:51 PM
An electric field is a region where charges experience a force. Fields are usually shown as diagrams with arrows: The direction of the arrow shows the way a positive charge will be pushed. The...
Date created: Mon, Mar 29, 2021 4:12 PM
⇒ $$E$$ = $$\frac{1}{4πε_0} \frac{2p}{r^3}$$ Since in this case the electric field is along the dipole moment, ($$E_+ \gt E_-$$) $$\overrightarrow{E}$$ = $$\frac{1}{4πε_0} \frac{2\overrightarrow{p}}{r^3}$$ Notice that in both cases the electric field tapers quickly as the inverse of the cube of the distance. Compared to a point charge ...
Date created: Mon, Mar 29, 2021 4:15 PM
Electric Field: The electric field can be defined as the region around a charged object where any testing charge can experience a force. This force is called the electrostatic force.
Date created: Tue, Mar 30, 2021 5:02 PM
What is the electric field 20cm from a 3.5 nC point charge? Question: What is the electric field 20cm from a 3.5 nC point charge?
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As of September 2014, eight states still have electrocution available as an execution method, including Alabama, Arkansas, Florida, Kentucky, Oklahoma, South Carolina, Tennessee and Virginia. These states primarily use lethal injection for inmate executions, and the electric chair is used only at the convict's discretion in most jurisdictions.

http://olympiaelectricians.com/are-there-any-states-that-use-the-electric-chair-today

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You can bring an electric razor on a plane in either your carry-on luggage or your checked luggage. Although an electric shaver has blades inside they are not large enough to concern the TSA. Even a cordless electric shaver that will have a battery inside is permitted in both hand luggage and checked baggage.

Are electric clippers allowed on planes?

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Most electric ovens draw between 2,000 and 5,000 watts, with the average electric stove wattage coming in at around 3,000 watts. So how much energy does an electric stove use per hour? Assuming an electricity rate of 12 cents per kilowatt-hour (kWh), a 3000-watt oven will cost you about 36 cents per hour at high heat.

http://olympiaelectricians.com/do-electric-stoves-use-a-lot-of-electricity

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Are electric cars more reliable than gasoline vehicle?

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