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Two coils are placed close to each other. The mutualinductance of the pair of coils depends upon
  • a)
    the rates at which currents are changing in thetwo coils
  • b)
    relative position and orientation of the two coils
  • c)
    the materials of the wires of the coils
  • d)
    the currents in the two coils
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
Two coils are placed close to each other. The mutualinductance of the ...
Relative positions and orientation of coils changes the value of mutual inductance. 
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Read the following text and answer the following questions on the basis of the same:Negative Refractive Index: One of the most fundamental phenomena in optics is refraction. When a beam of light crosses the interface between two different materials, its path is altered depending on the difference in the refractive indices of the materials. The greater the difference, the greater the refraction of the beam. For all known naturally occurring materials the refractive index assumes only positive values. But does this have to be the case?In 1967, Soviet physicist Victor Veselago hypothesized that a material with a negative refractive index could exist without violating any of the laws of physics.Veselago predicted that this remarkable material would exhibit a wide variety of new optical phenomena. However, until recently no one had found such a material and Veselago’s ideas had remained untested. Recently, meta-material samples are being tested for negative refractive index. But the experiments show significant losses and this could be an intrinsic property of negativeindex materials.Snell’s law is satisfied for the materials having a negative refractive index, but the direction of the refracted light ray is ‘mirror-imaged’ about the normal to the surface.There will be an interesting difference in image formation if a vessel is filled with “negative water” having refractive index – 1.33 instead of regular water having refractive index 1.33.Say, there is a fish in a vessel filled with negative water. The position of the fish is such that the observer cannot see it due to normal refraction since the refracted ray does not reach to his eye.But due to negative refraction, he will be able to see it since the refracted ray now reaches his eye.Q. A ray incident on normal glass and “negative glass” at an angle 60°. If the magnitude of angle of refraction in normal glass is 45° then, what will be the magnitude of angle of refraction in the “negative glass”?

Read the following text and answer the following questions on the basis of the same:Negative Refractive Index: One of the most fundamental phenomena in optics is refraction. When a beam of light crosses the interface between two different materials, its path is altered depending on the difference in the refractive indices of the materials. The greater the difference, the greater the refraction of the beam. For all known naturally occurring materials the refractive index assumes only positive values. But does this have to be the case?In 1967, Soviet physicist Victor Veselago hypothesized that a material with a negative refractive index could exist without violating any of the laws of physics.Veselago predicted that this remarkable material would exhibit a wide variety of new optical phenomena. However, until recently no one had found such a material and Veselago’s ideas had remained untested. Recently, meta-material samples are being tested for negative refractive index. But the experiments show significant losses and this could be an intrinsic property of negativeindex materials.Snell’s law is satisfied for the materials having a negative refractive index, but the direction of the refracted light ray is ‘mirror-imaged’ about the normal to the surface.There will be an interesting difference in image formation if a vessel is filled with “negative water” having refractive index – 1.33 instead of regular water having refractive index 1.33.Say, there is a fish in a vessel filled with negative water. The position of the fish is such that the observer cannot see it due to normal refraction since the refracted ray does not reach to his eye.But due to negative refraction, he will be able to see it since the refracted ray now reaches his eye.Q. Who hypothesized that a material may have a negative refractive index ?

Two coils are placed close to each other. The mutualinductance of the pair of coils depends upona)the rates at which currents are changing in thetwo coilsb)relative position and orientation of the two coilsc)the materials of the wires of the coilsd)the currents in the two coilsCorrect answer is option 'B'. Can you explain this answer?
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Two coils are placed close to each other. The mutualinductance of the pair of coils depends upona)the rates at which currents are changing in thetwo coilsb)relative position and orientation of the two coilsc)the materials of the wires of the coilsd)the currents in the two coilsCorrect answer is option 'B'. Can you explain this answer? for Class 12 2024 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about Two coils are placed close to each other. The mutualinductance of the pair of coils depends upona)the rates at which currents are changing in thetwo coilsb)relative position and orientation of the two coilsc)the materials of the wires of the coilsd)the currents in the two coilsCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 12 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Two coils are placed close to each other. The mutualinductance of the pair of coils depends upona)the rates at which currents are changing in thetwo coilsb)relative position and orientation of the two coilsc)the materials of the wires of the coilsd)the currents in the two coilsCorrect answer is option 'B'. Can you explain this answer?.
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