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तामिळनाडू बोर्ड ऑफ सेकेंडरी एज्युकेशनएस.एस.एल.सी. (इंग्रजी माध्यम) इयत्ता ७

Study the three electric circuits below. Each of them has a glass rod (G), a steel rod (S), and a wooden rod (W). In which of the electric circuits would the bulb not light up. - Science

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प्रश्न

Study the three electric circuits below. Each of them has a glass rod (G), a steel rod (S), and a wooden rod (W).

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

पर्याय

  • A only

  •  C only

  • A and B only

  • A , B and C

MCQ

उत्तर

A and B only

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पाठ 2: Electricity - Evaluation [पृष्ठ ३४]

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सामाचीर कलवी Science - Term 2 [English] Class 7 TN Board
पाठ 2 Electricity
Evaluation | Q XI. 4. | पृष्ठ ३४

संबंधित प्रश्‍न

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.

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1. Would any of the bulbs glow when the switch is in the ‘OFF’ position?

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She found that filament of bulb B is broken. Will the bulb A glow in this circuit? Give reason.


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