मराठी
महाराष्ट्र राज्य शिक्षण मंडळएस.एस.सी (इंग्रजी माध्यम) इयत्ता १० वी

Draw a neat labelled diagram to show the magnetic effect of electric current. - Science and Technology 1

Advertisements
Advertisements

प्रश्न

Draw a neat labelled diagram to show the magnetic effect of electric current.

आकृती
Advertisements

उत्तर

Current flowing in clockwise direction-

Current flowing in anticlockwise direction-

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 4: Effects of electric current - Answer the Following

APPEARS IN

संबंधित प्रश्‍न

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


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


An electromagnet does not attract a piece of iron.


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


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. 


When the switch S is closed in the figure given below, the pointer of the galvanometer moves to the right.  

 

If S is kept closed, will the pointer:

(a) return to zero?
(b) stay over on the right?
(c) move to the left and stay there
(d) move to and fro until S is opened


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 magnet is a rest in the coil? 


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.


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


(c) Considering the relationship in the first pair, complete the second paie :
AgCI : White :: CuI2 : ___________


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. 


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?


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


Define the magnetic effect of electric current.


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.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×