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EN of the element (A) is E1 and IP is E2...

EN of the element (A) is `E_1 and IP is `E_2`. Hence EA will be 

A

`2E_1 - E_2`

B

`E_1 - E_2`

C

`E_1 - 2E_2`

D

`(E_1 + E_2)//2`

Text Solution

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The correct Answer is:
A
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