Physics question and answers for February 13, 2024
- Q Studying 14 A charge q is placed at the centre O of cobe of length L Another same charge q is placed at a distance L from O Then electric...
- Q M CAPS 02 Physics Two charges exert a force of 10 N on each other when separated by a distance 0 2 m in air When they are placed in...
- Q 3 Which of the following is a vector quantity 1 Electric Field Intensity 2 Electric Potential 4 Electric Charge 3 Electric Current 4 Two wires A and B are having...
- Q A positive charge 50 C is located in xy plane at a position vector 41 41 The electric field strength E at a point whose position vector is 7 101...
- Q In the very last line it is written that but the electric field on the surface of charged conductor is not zero does it m ean that it is Sigma...
- Q 8274 An infinite number of identically charged bodies are kept along the x axis at points x 0 1 m 2 m 4 m 8 m 16 m and so...
- Q 36 Figure shows some equipotential lines distributed in space A charged particle is moved from point A to point B 10V 30V B TATAL ERI 10V 20V 30V 40V 50V...
- Q An uncharged thin spherical metallic shell of radius R has a positive charge q at its centre A second positive charge Q is placed outside the shell at a distance...
- Q 6 An infinitely long line charge having a uniform charge per unit length lies a distance d from center of imaginary sphere of radius R Then a flux crossing the...
- Q Q26 A 2 5 x 107 C at A 0 0 15 cm qB 2 5 x 10 7 Cat B 0 0 15 cm Find electric dipole moment of...
- Q A particle of mass m and charge q is placed a rest in a uniform electric field E and ther released The kinetic energy attained by the particle after moving...
- Q 9 he force between two small charged spheres having charges of 1 x 10 7 C and 2 10 7C placed 20 cm apart in air is 1 Point 4...
- Q An electric charge 10 3 C is placed at the origin 0 0 of x y coordinate system The two points A and B are situated at 2 2 and...
- Q to get a total charge of 1 C on the other body 12 How much positive and negative charge is there in a water molecule 13 A conductor has 14...
- Q Previous Years Questions bash emiyonada A spherical conductor of radius 10 cm has a charge of 3 2 x 10 7 C distributed uniformly What is the magnitude of electric...
- Q 11 An electric dipole of moment p is placed in an electric field of intensity E The dipole acquires a position such that the axis of the dipole makes an...
- Q A particle having a charge q 1C and mass m 0 5 kg is projected on a rough horizontal plane x y from a point 15m 0 0 with a...
- Q charged particles each a charge of q are located along the x axis at x 2 and x 4 as shown below Which of the following shows the graph of...
- Q and C of radi arge density are kept at pacitors 31 Three point charges q 2q and 2q are placed at the vertices of an equilateral triangle of side a...
- Q 6b A long straight wire has fixed negative charge with a linear charge density of magnitude 3 6 nC m The wire is to be enclosed by a coaxial thin...
- Q 1 Diagram shows symmetrically placed rectangular insulators with uniformly charged distributions of equal magnitude At the origin the net field E is net 1 aligned with the negative x axis...
- Q Example 1 5 A Parallel plate capacitor having a plate separation of 2 x 103 m across which a potential of 10V is applied Calculate the delectric displacement when a...
- Q 7a A nonconducting sphere has radius R 2 31 cm and uniformly distributed charge q 3 50 fC Take the electric potential at the sphere s center to be Vo...
- Q with radius a and a charge Q on the outer shell with radius b Find V V the difference in potential on the surfaces of the two spheres kQ b...
- Q 7b What are a the charge and b the charge density on the surface of a conducting sphere of radius 0 15 m w potential is 200 V with V...
- Q A region of space has an electrostatic field E x y z x 4yx y zy z 3xz and an electrostatic potential V 0 at the origin 1 Calculate the...
- Q 25 A point Q lies on the perpendicular bisector of an electrical dipole of dipole moment p If the distance of Q from the dipole is r much larger than...
- Q A parallel capacitor is filled with an insulator and a certain potential difference is applied to its plates The energy stored in the capacitor is U Now the capacitor is...
- Q 49 Two long thin charged rods with charge density each are placed parallel to each other at a distance d apart The force per unit length exerted on one rod...
- Q near charge Two parallel infinite densities C m and C m are placed at a distance of 2R in free space What is the electric field mid way between the...
- Q Two large vertical and parallel metal plates having a separation of 1 cm are connected to a DC voltage source of potential difference X A proton is released at rest...
- Q four charges each of Q Q Q and Q are placed at the corner of a square of side L calculate the resultant electric intensity at P the center of...
- Q Find out the surface charge density of infinite thin metalic sheet parallel to yz plane passing through x 8 If net field at x 3 is zero due both sheet...
- Q 6 Two wires of equal diameters resistivities an p and lengths x and x respectively are joine in series The equivalent resistivity of th combination is 1 3 P X...
- Q 1 If a point charge q is placed at a point inside a hollow conducting sphere then which of the following electric lines of force pattern is correct a distanc...
- Q Consider the arrangement of charges on the vertices of a square as shown in the figure The net electrostatic potential at the centre of the square will 1 mC 2...
- Q 1 Identify three closed curves in the triangular pyramid shown in fig 1 State which sides form an open surface for which one of these closed curve is the boundary...
- Q The potential of electric field V x2y where x and y denotes coordinate of a point in electric field region Which of the following is incorrect Electric field at all...
- Q Consider an infinitely large thick charged non conducting sheet in some external electric field as given 3 3 E Volume charge E The electrostatic pressure experience by sheet a does...
- Q 2 Two sets of equipotential surfaces A B are shown in the Fig 2 o i 1 2 3 are the potentials of these surfaces Which of the set has...
- Q 1 EXERCISE III SINGLE CORRECT ANSWER QUESTIONS n conducting plates are placed face to face Distance between two consecutive plates is d Area of plates is A A A C...
- Q A and B are two large parallel conducting plates of area 2 m on each side A is given a charge of 2 0 C and B is given a...
- Q A dipole of dipole moment P is placed at a distance x from the center of a non conducting ring of radius R The ring has a total charge Q...
- Q A uniformly charged non conducting hollow sphere of radius 1m and mass 2kg having angular speed wo 9 rad s is gently placed on non conducting rough horizontal surface with...
- Q In a medium the force of attraction between two point electric charges distance d apart is F What distance apart should these be kept in the same medium so that...
- Q You measure an electric field of 1 38x10 N C at a distance of 0 153 m from a point charge There is no other source of electric field in...
- Q An electron e in a TV picture tube is accelerated from rest through a potential difference of 5000 Volts a As the electron moves is it accelerating from high electric...
- Q 1 72 W 2 40 W 3 8 W 4 32 W Variation in electric potential is maximum if one goes 1 along the line of force 2 perpendicular to...
- Q 14 A charge Q is placed at each of the opposite corners of a square A charge q is placed at each of the other two corners If the net...
- Q If initially flux through hemisphere is zero Now q and q2 placed according to figure Due to which charge flux through hemisphere wil change 1 Only 91 9 2 Only...
- Q 43 A thin spherical conducting shell of radius R has a charge q Another charge Q is placed at the centre of the shell The electrostatic potential at point A...
- Q Figure shows three circular arcs each of radius R and total charge as indicated The net electric potential at the centre of curvature is Q 1 2 3 2Q Q...
- Q An infinite line charge of uniform electric charge density lies along the axis of an electrically conducting infinite cylindrical shell of radius R At time t 0 the space inside...
- Q An electric dipole is rotated in uniform electric field fron stable equilibrium position The graph represents Variation of its potential energy is given by C f 9 2 AU P...
- Q An electric dipole is placed along x axis 40 a farga faya feargun x 3 sfeer you fare at the origin as shown in the figure Electric field at the...
- Q A me sphere is charged so that surface charge density be o The mechanical stress pressure by the surface is equal to experienced 1 20 2 O 2 20 0...
- Q 3 An electric dipole of dipole moment 10 9 C is directed towards negative Y axis and is kept at origin If in this region electric field is along positive...
- Q At what distance from the surface of sphere of charge charge is uniformly distributed of radius R the electrostatic potential is half of the potential at the centre 1 3...
- Q 24 C charge is uniformly distributed on a ring of radius 4 cm The electric potential on the axis of ring at 3 cm from the centre of ring is...
- Q 23 The electric potential in a region is given by V 2 2x 5y 4z The magnitude of electric field in the region is gr2 vim 3 7 V m...
- Q est AI 8 the centre of face AFGH of a cube Let flux passing through surface BCDE is then the flux through the face ABCH will be G 12 6...
- Q 6 Identify the wrong statement in the following Coulomb s law correctly the electric force that a Binds the electrons of an atom to its nucleus b Binds the protons...
- Q Q 3 Three positive charges of equal value q are placed at the vertices of an equilateral triangle The resulting lines of force should be sketched as in see fig...
- Q 2 rods are aligned on the yaxis the first from y a to y b snd the second from y c to y d the charge Der unit length on...
- Q 27 A particle having charge q and mass m is released from rest on the axis of a fixed ring of total charge Q and radius R from a distance...
- Q Point charge m has mass 4M and charge 2Q Initially m is to the left of m and separated by a distance D in deep space where Earth s gravity...
- Q Assertion When two protons are brought closer to each other against their electrostatic repulsion th their combined mass becomes slightly more than their total mass Reason If we bring two...
- Q A charge water drop of radius 0 1 m is under equilibrium in some electric field The charge on the drop equivalent to electronic charge The intensity of electric field...
- Q Three charges q q and 2q are placed at three vertices of an equilateral triangle of side 1 The magnitude of net force on the charge Q placed at the...
- Q Two infinite linear charges are placed parallel at 0 1 m apart If each has charge density of 5 C m then the force per unit length of one of...
- Q Consider the charges q q and 2q placed at the vertices of an equilateral triangle as shown in the figure The net electrostatic force on the system of charges will...
- Q nce between centres of two spheres A and B each of radius R is r as shown in figure 1 450 Sphere B has a spherical cavity of radius R...
- Q 21 4 Both A charge q is placed at the centre of the line joining two exactly equal positive charges Q The system of three charges will be in equilibrium...
- Q Consider the following arrangement in which three point charges are placed along x axis as shown 4 c 2 C 1 c 0 X 0 x 30cm 110 8N X...
- Q uestion Type MCQ Question No 22 A particle of charge 16 x 10 8C moving with velocity 10 ms 1 along the positive x axis enters a region where a...
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