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Identify the given figure, write the labels of it. - Science and Technology 1

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प्रश्न

Identify the given figure, write the labels of it.

आकृति

उत्तर

Current-carrying loop

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अध्याय 4: Effects of electric current - Answer the Following

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एससीईआरटी महाराष्ट्र Science and Technology 1 [English] 10 Standard SSC
अध्याय 4 Effects of electric current
Answer the Following | Q 12

संबंधित प्रश्न

When the current is switched on through a wire, a compass needle kept nearby gets deflected from its north-south position. Explain.


An electric bell has an electromagnet. 


Which effect of current can be utilised in detecting a current carrying wire concealed in a wall? 


Name the scientist who discovered the magnetic effect of current.


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.


Fill in the following blank with suitable words: 

 If a coil is viewed from one end, and the current flows in a clockwise direction, then this end is a ........... pole.


For the coil in the diagram below, when the switch is pressed:

(a) what is the polarity of end A?
(b) which way will the compass point then?    


Name one device which works on the magnetic effect of current.


 What device reverses the current?


What is the function of a split ring in an electric motor?


(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.


Answer the following question:
State the effect on the magnetic needle in Oersted’s experiment when:  
(a) the current is passed through the wire.  
(b) the current through the wire is increased
(c) the current through the wire is reversed. 


A soft iron bar is introduced inside the current-carrying solenoid. The magnetic field inside the solenoid ____________.


A uniform magnetic field exists in the plane of paper pointing from left to right as shown in Figure. In the field an electron and a proton move as shown. The electron and the proton experience


A magnetic compass shows a deflection when placed near a current carrying wire. How will the deflection of the compass get affected if the current in the wire is increased? Support your answer with a reason.


Edison used a ______ wire coil is a vacuum glass and discovered the first electric bulb in 1879.


Sailors use ______ to find direction in order to navigate on the sea.


Define the magnetic effect of electric current.


A rectangular loop ABCD carrying a current I is situated near a straight conductor XY, such that the conductor is parallel to the side AB of the loop and is in the plane of the loop. If a steady current I is established in the conductor as shown, the conductor XY will ______.


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