Physical Science - ConceptEra

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Physical Science

Q- Who was the founder of the ‘Bengal School of Art’?

Chapter: Ideas of History

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Q- State the function of split rings in a dc motor.

Chapter: Current Electricity

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Q- What is the name of the autobiography of Rabindranath Thakur?

Chapter: Ideas of History

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Q- Distinguish between kilowatt and kilowatt hour.

Chapter: Current Electricity

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Q- Who discovered the magnetic effect of current?

Chapter: Current Electricity

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Q- What conclusion will you make when you observe the deflection of a compass needle placed near a current carrying wire?

Chapter: Current Electricity

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Q- Which effect of current can be utilized in detecting a current carrying wire concealed in a wall?

Chapter: Current Electricity

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Q- When an electric bulb is connected to a 12V battery, it draws a current of 1A. What is the power of the bulb?

Chapter: Current Electricity

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Q- What do you mean by “magnetic field” ?

Chapter: Current Electricity

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Q- What is an electric motor?

Chapter: Current Electricity

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