The device used for producing electric current is called a

Important Questions on Magnetic Effects of Electric Current

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IMPORTANT

SCIENCE TEXTBOOK FOR CLASS X>Chapter 13 - Magnetic Effects of Electric Current>EXERCISES>Q 4

The essential difference between an AC generator and a DC generator is that

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IMPORTANT

SCIENCE TEXTBOOK FOR CLASS X>Chapter 13 - Magnetic Effects of Electric Current>EXERCISES>Q 5

At the time of short circuit, the current in the circuit

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IMPORTANT

SCIENCE TEXTBOOK FOR CLASS X>Chapter 13 - Magnetic Effects of Electric Current>EXERCISES>Q 6

An electric motor converts mechanical energy into electrical energy. 

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IMPORTANT

SCIENCE TEXTBOOK FOR CLASS X>Chapter 13 - Magnetic Effects of Electric Current>EXERCISES>Q 6

An electric generator works on the principle of electromagnetic induction.

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IMPORTANT

SCIENCE TEXTBOOK FOR CLASS X>Chapter 13 - Magnetic Effects of Electric Current>EXERCISES>Q 6

The field at the centre of a solenoid carrying current will be parallel straight lines.

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IMPORTANT

SCIENCE TEXTBOOK FOR CLASS X>Chapter 13 - Magnetic Effects of Electric Current>EXERCISES>Q 6

A wire with a green insulation is usually the live wire of an electric supply.

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IMPORTANT

SCIENCE TEXTBOOK FOR CLASS X>Chapter 13 - Magnetic Effects of Electric Current>EXERCISES>Q 7

List two methods of producing magnetic field.

MEDIUM

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IMPORTANT

SCIENCE TEXTBOOK FOR CLASS X>Chapter 13 - Magnetic Effects of Electric Current>EXERCISES>Q 8

How does a solenoid behave like a magnet? Can you determine the north and south poles of a current-carrying solenoid with the help of a bar magnet? Explain.