Please select a subject first
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State qualitatively the effect of inserting an iron core into a current-carrying solenoid.
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Name the rule for finding the direction of magnetic field produced by a straight current-carrying conductor.
Concept: undefined >> undefined
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State the form of magnetic field lines around a straight current-carrying conductor.
Concept: undefined >> undefined
State whether the following statement is true or false:
The magnetic field inside a long circular coil carrying current well be parallel straight lines.
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What is the shape of a current-carrying conductor whose magnetic field pattern resembles that of a bar magnet?
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Fill in the following blank with suitable words:
For a current-carrying solenoid, the magnetic field is like that of a ...........
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Describe how you will locate a current-carrying wire concealed in a wall.
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Draw a sketch to show the magnetic lines of force due to a current-carrying straight conductor.
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Name and state the rule to determine the direction of magnetic field around a straight current-carrying conductor.
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Draw the magnetic lines of force due to a circular wire carrying current.
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What are the various ways in which the strength of magnetic field produced by a current-carrying circular coil can be increased?
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State and explain the Clock face rule for determining the polarities of a circular wire carrying current.
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Name any two factors on which the strength of magnetic field produced by a current-carrying solenoid depends. How does it depend on these factors?
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What is a solenoid? Draw a sketch to show the magnetic field pattern produced by a current-carrying solenoid.
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Name the type of magnet with which the magnetic field pattern of a current-carrying solenoid resembles
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What is the shape of field lines inside a current-carrying solenoid? What does the pattern of field lines inside a current-carrying solenoid indicate?
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List three ways in which the magnetic field strength of a current-carrying solenoid can be increased?
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What type of core should be put inside a current-carrying solenoid to make an electromagnet?
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The diagram given below represents magnetic field caused by a current-carrying conductor which is:
(a) a long straight wire
(b) a circular coil
(c) a solenoid
(d) a short straight wire
Concept: undefined >> undefined
A soft iron bar is inserted inside a current-carrying solenoid. The magnetic field inside the solenoid:
(a) will decrease
(b) will increase
(c) will become zero
(d) will remain the same
Concept: undefined >> undefined
