Question

An electrical outlet has two vertical slots and a hole into which a three prong plug may be inserted. The maximum potential difference between the two vertical slots is 120 volts. The hole is connected to earth ground. Estimate the maximum electric field that exists between the two vertical slots.

Answer 1

Answer:

maximum electric field E is 9200 V/m

Explanation:

Given data

maximum potential difference V = 120 volts

to find out

maximum electric field E

solution

we know that here vertical distance always 1.3 cm = 1.3 × $10^{-2}$ m

and potential difference is

V = E× distance

now find E  by put all value

E = V /  distance  

E = 120 / 1.3 × $10^{-2}$

E = 9200

so maximum electric field E is 9200 V/m

Answer 2

Themaximum electric field that exists between the two vertical slots is 120/d (V/m).

Electric field between the two vertical slots

The maximum electric field that exists between the two vertical slots is determined by dividing the maximum potential difference with the distance between the two vertical slots as shown below;

E(max) = V(max)/d

E(max) = 120/d

where;

• d is the distance between the two vertical slots

Thus, themaximum electric field that exists between the two vertical slots is 120/d (V/m).

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