Answer:
I = 0.96 A
Explanation:
No of electrons, 
Time, t = 3 ms = 
We need to find the electric current. We know that electric charge per unit time is equal to the electric current.

q = ne (Quantization of electric charge)

So, the electric current is 0.96 A.
Answer: 
Explanation:
Given
Cross-sectional area of wire 
Extension of wire 
Extension in a wire is given by

where, 

for same force, length and material

Divide (i) and (ii)

Its during REM sleep. hope this helped
Explanation:
Rhythm, Harmony, Timbre, Dynamics, Texture, and Form