ELECTRIC FIELD

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32 Terms

1

electric force

a noncontact force

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2

electric charge q

exert force on other charged objects even though they are at some distance away

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3

electric field

The space surrounding a charged body is

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4

electric field

causes any charged particle placed in it to experience an electric force

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5

michael faraday

English scientist who made important discoveries in electricity and magnetism, introduced the use of electric lines of force to map out an electric field.

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6

positively charged particles

negatively charged particles

toward infinity

Lines of force start from ________ and end on ________ or continue ______

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7

intersect

break

Lines of force neither ________ nor ______ as they pass from one charge to another

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8

pass

Lines of force neither intersect nor break as they ____ from one charge to another

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9

neutral point

the point where no lines of force pass

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10

lines of force

The greater the number of______, the stronger the electric field

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11

zero

The electric field is ______ at the neutral point

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12

neutral field

point where the resultant field is subtractive and the electric fields are equal but oppositely directed.

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13

like charges

A neutral point between two _________ is a point between the two charges and nearer the smaller charge.

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14

unlike charges

a neutral point between two ________, lines of force can pass from positive to negative charge.

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15

electric field intensity.

strength of the electric field at a point charge

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16

region of space

An electric field exists in the________ around a charged object or a source charge

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17

experience

When another charged object enters this electric field, it will ________ an electric force.

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18

formula magnitude of electric field

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19

electrostatic potential

elecric potential is also called what

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20

italian physicist Alessandro Volta

volt is named after who

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21

volt V

SI unit pf electric potential

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22

electric potential formula

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23

voltage

potential difference is often referred to as

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24

potential difference

the difference in electric potential between two points in an electric field.

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25

potential difference

It represents how much work is needed to move a charge between those two points.

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26

voltage

a measure of the energy per unit charge required to move a charge from one point to another

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27

volt V

unit of potential difference

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28

capacitor

One important element in an electric circuit

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29

storing charges

A capacitor is a device for _____.

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30

capacitance

the ability of a capacitor to store charges.

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31

area

The bigger the __________ of the plates, the greater the capacitance

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32

the greater the capacitance

The bigger the area of the plates, ___________

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