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Name the Scientist Who Discovered the Magnetic Effect of Current. - Science

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प्रश्न

Name the scientist who discovered the magnetic effect of current.

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उत्तर

The magnetic effect of current was discovered by Oersted in 1820.

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 2: Magnetic Effects of Electric Current - Exercise 2 [पृष्ठ ८२]

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लखमीर सिंह Physics (Science) [English] Class 10
पाठ 2 Magnetic Effects of Electric Current
Exercise 2 | Q 3 | पृष्ठ ८२

व्हिडिओ ट्यूटोरियलVIEW ALL [2]

संबंधित प्रश्‍न

Will the compass needle show deflection when the switch in the circuit shown by figure is closed?


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.


If the direction of electric current in a solenoid when viewed from a particular end is anticlockwise, then this end of solenoid will be:

(a) west pole
(b) south pole
(c) north pole
(d) east pole


The direction of current flowing in the coil of an electromagnet at its two ends X and Y are as shown below:  

  

 What is the polarity of end X?

What is the polarity of end Y?   

Name and state the rule which you have used to determine the polarities. 


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


How should the electric lamps in a building be connected so that the switching on or off in a room has no effect on other lamps in the same building?


Write the correct option by observing the figures.


Observe the following diagram and choose the correct alternative:


When the resistance of a conductor increases, the current ____________ .

(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.


Explain the magnetic field created around a straight current carrying conductor with the help of a diagram.


If the key in the given arrangement is taken out (the circuit is made open) and magnetic field lines are drawn over the horizontal plane ABCD, the lines are ____________.


Magnetic effect of current was discovered by ______.


Why do we cover plug pin holes which are within the reach of children with cellotape or a plastic cover when not in use?


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


Using an electromagnet, you can make a working model of a railway signal as shown in figure.


Make four electromagnets with 20, 40, 60 and 80 turns. Connect them one by one to a battery of 2 cells. Bring the electromagnet near a box of pins. Count the number of pins attracted by it. Compare the strengths of the electromagnets.


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