According to Faraday’s law the induced emf produced in a closed loop is equal to the …………….
A) magnetic flux
B) change of magnetic flux
C) rate of change of magnetic flux
D) cross – sectional area of the loop.
1 Answers
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What are Lenz’s law, Ampere’s law and Faraday’s law?
Lenz’s law : Whereas, Lenz’s law states that, the direction of the induced emf is such that the change is opposed. Ampere’s law : Ampere’s law describes the relation between the induced magnetic...
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According to Newton’s third law of motion for every action there is equal and opposite reaction, why two equal and opposite
Forces of action and reaction always act on different bodies, hence they never cancel each other.
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The equation of Faraday’s law of electro magnetic induction is
Correct option is B) e = ΔΦ/Δt
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Faraday’s law of induction is the consequence of …………….
C) law of conservation of energy
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…………………. generated in a closed loop is equal to the rate of change of magnetic flux passing through it.
B) Induced emf
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The law which states “An induced emf will appear in such a direction that it opposes the change in its flux” is …………………….
D) Lenz’s law
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According to Economical and Statistical Survey of India – 2011, …………. liters of milk is produced in our state
(B) 40 – 60 lakh
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In while loop, the loop variable should be updated?
(d) Inside the body of while
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While writing a program Geo uses while loop but forgets to update the loop variable. What will happen?
The loop variable inside the while loop must be updated otherwise the loop will not be terminated. The loop will be work infinitely.
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A conducting loop of cross-area `A` and resistance `R` is placed perpendicular to a magnetic field `B` . The loop is withdrawn completely from the fie
Correct Answer - B `Deltaq=(Deltaphi)/(R)=(BA)/(R)`
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