A becomes positive, while b is now negative. Basically, electrons are negative particles. If they go to somewhere, they make the somewhere they go to negative.
Answer:
Explanation:
Given
Height of tree is H=320 ft
length of shadow L=130 ft
let
be the angle of elevation
using trigonometric relation




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Answer:
option C = 6
Explanation:
it is because
BC × 6 = EF
⇒ 4 × 6 = 24
and the same applies for the others