Lakhmir Singh - Class 10 Physics Chapter 2 all questions
Answers
(a) State what would happen to the direction of rotation of a motor if.....
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(a) Explain the principle of an electric generator.....
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Draw the labelled diagram of an A.C. generator. With the help of.....
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(a) What is the difference between alternating current and direct current?.....
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(c) Describe different ways to induce current in a coil of wire......
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(a) What do you understand by the terms 'direct current' and 'alternating.....
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A coil is connected to a galvanometer. When the N-pole of magnet is.....
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The frequency of alternating current (a.c.) supply in India is.....
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When the magnet shown in the diagram below is moving towards the coil, the.....
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What is the electric potential of the wire in a mains supply cable?.....
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Give two reasons why different electrical appliances in a domestics circuit.....
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(a) A fuse should always b.....
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(a) When does a fuse cut off current? How does it do it?.....
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(a) An electric iron is rated at 230 V, 750 W. Calculate (i) the maximum.....
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(a) Why are fuse fitted in the fuse box of a domestic electricity.....
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(a) What current is taken by a 3 kW electric geyser working on 240 V mains?.....
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What is the function of an earth wire? Why is it necessary to earth the met.....
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(a) Draw a labelled diagram to show the domestic electric wiring from an el.....
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(a) Define magnetic field lines. Describe an activity to draw a magnetic..... brainly.in/question/14914957
The shape of the earth's magnetic field resembles that of an imaginary
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Copy the figure given below which shows a plotting compass and a magnet......
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(a) The diagram shows a bar magnet surrounded by four plotting compasses......
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The figure given below shows the magnetic field between two magnets.....
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Fill in the following blanks with suitable words
(a) The lines of ..............
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(a) Draw a sketch to show the magnetic lines of force due to a.....
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(a) How does an electromagnet differ forma permanent magnet?.....
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(a) Draw the magnetic lines of force due to a circular wire.....
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(a) What is a solenoid? Draw a sketch to show the magnetic field.....
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(a) Draw a circuit diagram to show how a soft iron piece can be transformed.....
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(a) What is an electromagnet? Describe the construction and working.....
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The diagram given below represents magnetic field caused by a current-carry.....
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The back face of a circular loop of wire is found to be south magnetic pole.....
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The figure shows a solenoid wound on a core of soft iron. Will the end.....
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The front face of a circular wire carrying current behaves like a north.....
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A current flows downwards in a wire that passes vertically through a table.....
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The direction of current flowing in the coil of an electromagnet at its two..... brainly.in/question/14915313
For the coil in the diagram below, when the switch is pressed.....
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A thick wire is hanging from a wooden table. An anticlockwise magnetic.....
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In an electric motor, which of the following remains fixed and which rotate.....
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(a) In a d.c. motor, why must the current to the coil be reversed twice.....
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Fill in the following blanks with suitable words
(a) Fleming's Rule for the.....
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(a) A current-carrying conductor is placed perpendicularly in a magnetic.....
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A 3-pin mains plug is fitted to the cable for a 1 kW electric kettle to be .....
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Which of the following circuits will still be dangerous even if the fuse bl.....
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(a) Explain why, it is more dangerous to touch the live wire of a mains sup.....
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