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Class 10 Science
Magnetic Effects Of Electric Current Chapter 13
Quiz 1
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The magnetic field inside a current carrying solenoid is
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Increases as we move towards its ends
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Decreases as we move towards its ends
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Zero
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Same at all points
Moving two like poles together usually causes a magnet resting on a table to repel and rotate. This occurs because:
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Like magnetic poles repel
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Unlike magnetic poles attract
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Both of these
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None of these
An electric current flowing through a conductor produces
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Magnetic field
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Electric Field
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Both electric and magnetic field
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Electromagnetic field
Magnetic lines of force originate from the
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North pole
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Center point
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South pole
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Either north pole or south pole
Electromagnet works on
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Magnetic effect of current
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Electric effect of current
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Heating effect of current
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Chemical effect of current
A magnetic field existing around a magnet can be represented by magnetic field lines. Magnetic field lines always form:
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open loops
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closed loops
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straight lines
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Both closed loops and straight lines
Which of the following statement concerning magnetic field is correct? (1) The part of a bar magnet, at which the magnetic field is the strongest, is called its pole. (2) A magnetic field is present near a compass needle. (3) There is no magnetic field inside a current-carrying solenoid.
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(1) only
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(2) and (3) only
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(2) only
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(1) and (2) only
A vertical wire carries a current straight down. To the east of this wire, the magnetic field points:
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eastwards
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downwards
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southwards
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northwards
Which of the following metal is not attracted by a magnet?
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Cobalt
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Nickel
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Steel
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Silver
In which direction does a freely suspended compass needle align itself?
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North-South
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East-West
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North-east
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North-west
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