Item 10 As you walk across a synthetic-fiber rug on a cold, dry winter day, you

ID: 1472847 • Letter: I

Question

Item 10

As you walk across a synthetic-fiber rug on a cold, dry winter day, you pick up an excess charge of -59 C .

Part A

How many excess electrons did you pick up?

Part B

What is the charge on the rug as a result of your walking across it?

Item 10

As you walk across a synthetic-fiber rug on a cold, dry winter day, you pick up an excess charge of -59 C .

Part A

How many excess electrons did you pick up?

N = electrons

Part B

What is the charge on the rug as a result of your walking across it?

Q =

Here ,

excess charge , Q = -59 uC

part A)

charge on each electron , -e = -1.602 *10^-19 C

number of electrons picked up = Q/(-e)

number of electrons picked up = -59 *10^-6/(-1.602 *10^-19)

number of electrons picked up = 3.682 *10^14

the number of electrons picked up is 3.682 *10^14

part B)

as the charge is conserved

charge on rug + excess charge picked up = 0

charge on rug - 59 uC = 0

charge on rug = 59 uC

the charge on rug is 59 uC

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