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Find the Odd One Out and Justify It. Fuse Wire, M.C.B., Rubber Gloves, Generator - Science and Technology 1

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प्रश्न

Find the odd one out and justify it.
Fuse wire, M.C.B., Rubber Gloves, Generator

उत्तर

Generator.
All others are related to safety measures to avoid mishap due to electricity.

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2018-2019 (March) Balbharati Model Question Paper Set 2

संबंधित प्रश्न

What do the following symbols mean in circuit diagrams?  


What do the following symbols mean in circuit diagrams? 


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Explain the construction and working of the following. Draw a neat diagram and label it.

Electric motor


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The accompanying figure shows some electrical appliances connected in a circuit in a house. Answer the following questions.

  1. By which method are the appliances connected?
  2. What must be the potential difference across individual appliances?
  3. Will the current passing through each appliance be the same? Justify your answer.
  4. Why are the domestic appliances connected in this way?
  5. If the T.V. stops working, will the other appliances also stop working? Explain your answer.

A battery is to be formed by joining 3 dry cells with connecting wires. Show how will you connect the wires by drawing a diagram.


Draw a neat diagram showing a closed electric circuit.


Draw a neat diagram showing a open electric circuit.


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The unit of electrical power is _______.


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In which of the electric circuits would the bulb not light up.


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The wiring in a house consists of ______ circuits.


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switch in off position


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Assertion: People struck by lightning receive a severe electrical shock.

Reason: Lightning carries very high voltage.


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