Q = m * c * change in temp.
q = (200 g)(4.18 J/g*C)(22C - 100C)
q = -65208J
q = 65.208 kJ lost
Answer:
Explanation:
= Vacuum permeability =
n = Number of turns
A = Area
I = Current
Self inductance is given by
Here, A has more turns so the self-inductance of A will be higher
For A
For B
Dividing the above two equations we have
I believe the correct answer would be "A" energy source.
Answer:
8377 turns
Explanation:
Given:
Mean radius of toroid = 26 cm
Circular cross-section radius, r = 1.9 cm = 0.019
Length of the wire, l = 1000 m
The number of turns (n) on the coil is given by
where,
l is the length of the wire
s is the circumference of the circular wire
⇒
or
or
n = 8376.57 or 8377 turns
hence, the number of turns on the coils is 8377