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प्रश्न
Identify the given figure, write the labels of it.

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उत्तर

Current-carrying loop
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संबंधित प्रश्न
Which effect of current can be utilised in detecting a current carrying wire concealed in a wall?
Fill in the following blank with suitable words:
The magnetic effect of a coil can be increased by increasing the number of ........... increasing the ........... or inserting an ........... core.
Fill in the following blank with suitable words:
If a coil is viewed from one end and the current flows in an anticlockwise direction, then this end is a ........... pole.
Which way does the wire in the diagram below tend to move?
A coil is connected to a galvanometer. When the N-pole of magnet is pushed into the coil, the galvanometer deflected to the right. What deflection, if any, is observed when:
the S-pole is inserted?
Write the correct option by observing the figures.

What is the function of a split ring in an electric motor?
Observe the following diagram and choose the correct alternative:

(c) Considering the relationship in the first pair, complete the second paie :
AgCI : White :: CuI2 : ___________
(b) State whether the following statements are true or false:
(i) Magnetic poles exist in pairs.
(ii) Global warming is a desirable aspect of the intensified greenhouse effect.
Draw magnetic field lines produced around a straight current carrying conductor passing through a cardboard. How will the strength of the magnetic field change when the point where magnetic field is to be determined is moved away from the conductor?
What is that instrument which can detect the presence of electric current in a circuit?
Magnetic effect of current was discovered by ______.
How does the magnetic effect of electric current help in the working of an electric bell? Explain with the help of a diagram.
______ cells cannot be recharged after use.
What are MCBs? How do they work?
An electric bell contains an ______, consisting of coils of insulated wire wound around
iron rods.
The figure given below shows the magnetic field around the conductor. Study it and answer the questions:

- What changes are caused by increasing current?
- What do you see when the magnetic needle is kept a little away from the wire?
- In the second part of the figure, the iron filings arrange themselves in a circular manner around the wire. Why does this happen?
