Home
Class 11
PHYSICS
In the figure shown P is a point on the ...

In the figure shown P is a point on the surface of an imaginary sphere.
`{:(,"Column-I",,,"Column-II"),((A),"Electric field at point P",,(p),"due to "q_(1) "only"),((B),"Electric flux through a small area at P",,(q),"due to "q_(2)"only"),((C),"Electric flux through whole sphere",,(r),"due to both "q_(1) and q_(2)):}`

Text Solution

Verified by Experts

The correct Answer is:
(A) r (B) r (C) p

(A) Electric at a point is the vector sum of all individual field at that point
(B) Electric flux `ointvec(E).dvec(S)=q_(enc)/in_(0)`
(C) Electric flux `ointvec(E).dvec(S)=q_("enclosed")/in_(0)`
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • MISCELLANEOUS

    ALLEN |Exercise Exercise-05|1 Videos
  • MISCELLANEOUS

    ALLEN |Exercise Exersice-05|1 Videos
  • MISCELLANEOUS

    ALLEN |Exercise Exercise-04|1 Videos
  • KINEMATICS (MOTION ALONG A STRAIGHT LINE AND MOTION IN A PLANE)

    ALLEN |Exercise BEGINNER S BOX-7|8 Videos
  • PHYSICAL WORLD, UNITS AND DIMENSIONS & ERRORS IN MEASUREMENT

    ALLEN |Exercise EXERCISE-IV|7 Videos

Similar Questions

Explore conceptually related problems

Two parallel metallic plates have surface charge densities sigma_(1) and sigma_(2) as shown in figure. {:(,"Column-I",,,"Column-II"),((A),"If " sigma_(1)+sigma_(2)=0,,(p),"Electric field in region III is towards right"),((B),"If" sigma_(1)+sigma_(2) gt 0,,(q),"Electric field in region I is zero"),((C),"If "sigma_(1)+sigma_(2) lt 0,,(r),"Electric field in region I is towards roght"),(,,,(s),"Nothing can be said"):}

Two balls of mass m and 2 m each have momentum 2p and p in the direction shown in figure. During collision they exert and impulse of magnitude p on each other. {:(,"Column I",,"Column II",),((A),"After collision momentum of m",(p),2p,),((B),"After collision momentum of 2m",(q),p,),((C ),"Coefficient of restituation between them",(r ),1,),(,,(s),"None",):}

Knowledge Check

  • Which of the following pairs is proper for the method used in Column - I and metal obtained in Column-II ? {:("Column -I", "Column-II"),("(P) Distillation","(X) Cu"),("(Q) Smelting", "(Y) Hg"),("(R )Electrolysis", "(Z) Sn"):}

    A
    `P to X, Q to  Y, R to Z `
    B
    `P to Y, Q to Z,R to X`
    C
    `P to Y, Q to  X, R to Z`
    D
    `P to Z, Q to X, R to Y `
  • Three charges are placed on the circumference of a circle of radius d as shown in the figure. Find the electric field along x-axis at the centre of the circle : Electric field due to -4q vecE_(1) =(4kq)/d^(2) electric field due to +2q and -2q vecE_(23) = (4kq)/d^(2)

    A
    `q/(4piepsilon_(0)d^(2))`
    B
    `(qsqrt(3))/(4piepsilon_(0)d^(2))`
    C
    `(qsqrt(3))/(piepsilon_(0)d^(2))`
    D
    `(qsqrt(3))/(2piepsilon_(0)d^(2))`
  • Similar Questions

    Explore conceptually related problems

    In the V-T graph shown in figure: {:(,"Column-I",,"Column-II"),((A),"Gas" A is ... and gas B is... ", E is ",(p),"monoatomic , diatomic"),((B),"P_(A)/P_(B) is ",(q),"diatomic , monoatomic"),((C),"n_(A)/n_(B) is " " ",(r),"gt1"),(,,(s),"lt1"),(,,(t),"cannot say any thing"):}

    Match the columns with regards to Vector and Disease {:("Column-I","Column-II"),("p.Culex","i.Dengue"),("q.Anopheles","ii.Filariasis"),("r.Aedes","iii.Malaria"):}

    As shown in figure a closed surface intersects a spherical conductor. If a negative charge is placed at point P. What is the nature of the electric flux coming out of the closed surface?

    If an isolated infinite plate contains a charge Q_1 on one of its surfaces and a charge Q_2 on its other surface, then prove that electric field intensity at a point in front of the plate will be Q//2Aepsilon_0 , where Q = Q_1+Q_2

    A point charge Q is located on the axis of a disc of radius R at a distance b from the plane of the disc (figure). Show that if one-fourth of the electric flux from the charge passes through the disc, then R=sqrt3b .

    A sphere of radius R and charge Q is placed inside an imaginary sphere of radius 2R whose centre coincides with the given sphere. The flux related to imaginary sphere is: