Electrons move from the atoms in the cloth to the atoms in the balloon, causing the balloon to have a negative charge
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Answer:
<h3>
The area of second coil is ≅ 0.025 
</h3>
Explanation:
Given :
No. of turns in the first coil 
No. of turns in the second coil 
Area of first coil 
According to the law of electromagnetic induction,
Induced emf =
Where
magnetic flux.
Since given in question emf of both coil is same so we compare above equation.




Therefore, the area of second coil is ≅ 0.025 
Answer:
Height of the tree is <u>9.6 cm</u>
Explanation:
We know that, Magnification of an image is written as follows.

Where,

As per given question,

Substitute the values in the above formula,

Height of the tree is 9.6 cm.
Explanation:
KE =1/2 MV^2
HOPE YOU COULD SOLVE FROM NOW..