मराठी

Draw a Simple Labeled Diagram of a Step-up Transformer.

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प्रश्न

Draw a simple labeled diagram of a step-up transformer.

आकृती
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उत्तर

Step up transformer

 

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पाठ 4: Electricity and Magnetism - Exercise 5 [पृष्ठ २१३]

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फ्रँक Physics Part 2 [English] Class 10 ICSE
पाठ 4 Electricity and Magnetism
Exercise 5 | Q 14.5 | पृष्ठ २१३

संबंधित प्रश्‍न

A solenoid of length 1.5 m and 4 cm in diameter possesses 10 turns per metre. A current of 5 A is flowing through it. The magnetic induction at a point inside the solenoid along the axis is ............................. .

0 = 4π × 10-7 Wb/Am)

  1. π  × 10-5 T
  2. 2π × 10-5 T
  3. 3π × 10-5 T
  4. 4π × 10-5 T

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 State the factors on which the strength of an electromagnet depends. How does it depend on these factors?


Welders wear special glass goggles while working. Why? Explain.


Fill in the blanks by writing (i) Only soft iron, (ii) Only steel, (iii) Both soft-iron and steel for the material of core and/or magnet.

 D.C. motor ______.


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In the current carrying conductor (AOCDEFG) as shown, the magnetic induction at point O is ______.

(R1 and R2 are radii of CD and EF respectively. l = current in the loop, μ0 = permeability of free space)

 


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