physics semester 2 "final"

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Coulombs Law

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Physics

21 Terms

1

Coulombs Law

Force between charges

<p>Force between charges</p>
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2

Electrical Field

Force per unit charge that would act on a positive test charge q placed at that time.

<p>Force per unit charge that would act on a positive test charge q placed at that time.</p>
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3

Magnitude of an electrical field a distance r from point charge Q.

<p></p>
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4

Electric Potential (V)

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5

Change in Electric Potential

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6

Potential Difference between two points

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7

Electric Current

I, measured in Amperes (C/s)

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8

Battery

Turns chemical energy into electrical energy

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9

Resistance

R, measured in Ohms, V/I

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10

Power

I*V, for resistors, V^2/R

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11

Watt

Measurement for power, J/s

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12

KWH

3.6 x 10^6 J

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13

AC

Alternating current, current reverses direction at a certain frequency.

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14

DC

Steady current in one direction.

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15

Resistors in series?

Sum of each resistor (R1 + R2 + R3 …)

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16

Resistors in parallel?

1/r1+ 1/r2 + 1/r3…

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17

who is the best

will

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18

induction

transferring charge w/out contact

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19

conduction

transferring charge w/contact

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20

what is “k”

<p></p>
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21

what is “e”

electron charge

<p>electron charge</p>
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