Answer:
The correct answer is "3899.92 N".
Explanation:
The given values are:
Force,

Ratio,

As we know,
Area, 
or,
⇒ 
On substituting the value of "A", we get
⇒ 
⇒ 
On applying cross-multiplication, we get
⇒ 
On substituting the given values, we get
⇒ 
⇒ 
⇒ 
Answer:
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Explanation:
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Answer:
the volume of the room is 240.588 meters3
The picture shows the scientific notation
Answer:
The magnitude of the average emf induced in the coil is approximately o.32 V.
Explanation:
As, no. of loops = N = 10
Area = 0.23 m^2
Magnetic field = B = 0.047 T
Δt = 0.34 s
These are the given things now we have to find the EMF. So the formula of emf is:
emf = e = N×ΔФ/Δt
Therefore, ΔФ = B . ΔA = BΔAcos(θ)
Since, flux is maximum so θ = 0 and cos(0) = 1
Then,
ΔФ = BA
e = N×(BΔA)/Δt
e = 10×(0.047×0.23)/0.34
e = 0.317 V.
So, we can write it by rounding off the digit
e ≅ 0.32 V.