Physics question and answers for February 08, 2024
- Q The electric potential due to a linear 2 points quadrupole moment varies O proportional to the cube of the distance O inversely as the square of the distance O inversely...
- Q Two point charges q and 9q are kept at r 12 cm apart as shown The electric field is zero at q 9q A B 1 6 cm from point...
- Q A Statement 1 is True Statement 2 is True Statement 2 is a correct explanation for Statement 1 B Statement 1 is True Statement Statement 1 C Statement 1 is...
- Q Two charges Q and Qe are separated by a distance D IF Q Q and D are doubled the electrostatic Force in same medium Increases by a factor of 4...
- Q A molecule with dipole moment p is placed in an electric field of strength E Initially the dipole is aligned parallel to the field If the dipole is to be...
- Q 12 A hollow charged conductor has a tiny hole cut into its surface What is the electric field in the hole remember is the unit vector in the outward normal...
- Q When a point charge in front of an insulated and uncharged conducting sphere as in Fig then D a tea f f fe 1 point Charge density at the point...
- Q A point charge is placed at 1 2 3 Match statements in column 1 with appropriate points given in column II Column l Q1 Point which have same electric field...
- Q 1 15 A system has two charges qA 2 5 x 10 7 C and qB 2 5 10 7 C located at points A 0 0 15 cm and...
- Q 3 Three charges each of magnitude q are placed at the corners of an equilateral triangle the electrostatic force on the charge placed at the centre is each side of...
- Q In the electric field of a point charge q at O a certain test charge is carried from point A to B C D and E Then the work done...
- Q Two point charges are separated by distance of 10 cm One charge is 25 C and other is 50 C The electric field at P which is a point between...
- Q Figures show charged beads with charges 9 each placed at vertices Rank the magnitude of electric field at centre in decreasing order L X X L a c L b...
- Q Two conducting spheres of radii 5 cm and 10 cm are given a charge of 15 C each After the two spheres are joined by a conducting wire the charge...
- Q uniform electric field of magnitude 350 V m is directed in the negative y direction as shown in the figure below The coordinates of point are 0 250 0 200...
- Q Is the electric force that which one point charge exerts on another charge change if other charges are brought near by State yes or no and the name of principle...
- Q 2 There is a uniform electric field of intensity E which is as shown How many labelled points have the same electric potential as the fully shaded point a 2...
- Q A 2 00 x10 4 C charged particle of mass 3 00x10 5 kg initially moving with a speed of 20 0 m s in the positive x direction enter...
- Q 7 If a charged spherical conductor of radius 10 cm has potential V at a point distant 5 cm from its centre then the potential at a point distant 15...
- Q each of the three charges 3 5 A thin wire ring of radius r has an electric charge q What will be the increment of the force stretching the wire...
- Q A 81 2 nC charge is positioned 2 61 Im from a 16 5 nC charge What is the magnitude of the electric field at the midpoint of these charges...
- Q 3 Two identical point charges are fixed at x a and x a on the x axis Another point charge Q is placed at the origin The change in the...
- Q Dipole moment of the arrangement of the charges shown in figure is 9 a 3q a a 2qai gai 2qai 9 L X
- Q equal positive charge Q coulomb on each are suspended by two insulated string of equal length L meter from a hook fixed to a stand The whole set up is...
- Q Consider a uniform electric field E 3x10 1 N C What is flux of this field through a square of side 10 cm whose plane makes an angle of 30...
- Q An infinite line charge produces an electric field of 18 105 N C at perpendicular distance of 4 cm What is linear charge density 4 C m 6 C m...
- Q Figure shows a set of equipotential surfaces The magnitude and direction of electric field that exists in the region will be y axis 5 V 10 V 15 V 20...
- Q Two point charges 10 C and 4 C are placed 20 cm apart The electrostatic potential energy of the system is 2 4 J 1 8 J 3 6 J
- Q particles X and Y having equal charges after being accelerated through the same potential difference enter a region of uniform magnetic field and describes circular path of radius R and...
- Q Two large metallic plates are fixed horizontally parallel to each other one above the other The upper plate carries charge Q and the lower plate carries charge Q A particle...
- Q The electric field on two sides of a large charged plane sheet is shown in fig The charge density on the sheet in S I units is given by is...
- Q The potential barrier for germanium p n junction is 0 3 V If the width of the depletion layer is 1 micron then field strength at the junction is 3...
- Q A B and C are three concentric metallic shells Shell A is the innermost and shell C is the outermost A is given some charge Then a Inner surfaces of...
- Q 65 The electric potential in a certain region is expressed by V 6x 8xy 8y 6yz 4z volts The magnitude of the force acting on a charge of 2 C...
- Q 7 A non conducting ring of mass m and radius R is charged as shown The linear charge density for corresponding region shown is It is placed on tough horizontal...
- Q Example 1 9 Two point charges q and q2 of magnitude 10 C and 10 respectively are placed 0 1 m apart Calculate the electric fields at points A B...
- Q Adipole is placed in an electric field as shown In which direction will it move 88 89 towards the right as its potential energy will increase towards the left as...
- Q A disk of radius a 4 having distributed charge 6 C is placed on the x y plane with its centre at a 2 0 0 A rod of length...
- Q Three identical plates of area A are arranged as shown A charge Q is giver to plate 2 Then 1 2 3 ALE 2d a charge 2Q 3 appears on...
- Q a Two rods of the same weight and equal length have different thickness They are held vertically on the surfac of sand Which one of them will sink more Why...
- Q A marble is allowed to roll down an inclined plane from a fixe height At the foot of inclined plane it moves on a horizontal surface a covered with silk...
- Q The car makes a displacement of 100 m towards east and then 200 m towards north The magnitude and direction of the resultant are respectively 1 223 7m tan 2...
- Q C zero A charge q is distributed uniformly on a ring of radius a A sphere of equal radius a is constructed with its centre at the periphery of the...
- Q There is a uniform electric field of magnitude 4 N C whose Z component is zero and which makes an angle 30 with the X direction The work done in...
- Q In the given electric field E d x i E N C a hypothetical closed surface is taken as shown in figure The total charge enclosed within the closed surface...
- Q At the four corners of a square of side 1 m four identical charges each 10C are placed The electric potential energy of the system is 1 360 J 2...
- Q 3 Two positive charges q and q are placed at the diagonally opposite corners of a square and two negative charges q and 9 are placed at the other two...
- Q Q 24 A charged dust particle of radius 5 x 107 mis located in a horizontal electric field having an intensity of 6 28 x 10 V m The surrounding...
- Q conducta Charge off is separated by holding a positively charged rod very closely near by as shown in fig Assume that the induced negative charge on the conductor is equal...
- Q c Flux depends on symmetry d Not sufficient information Charges can neither be created nor destroyed it can be transferred from one place to another The force between two charges...
- Q E at one face parallelepiped is uniform over the entire face and is directed out of the face At the opposite face the electric field E is also uniform over...
- Q 70 Three charges Q and q and tq the vertices of right angled isosceles trianlge as shown in the figure The net electrostatic energy of the configuration is zero if...
- Q 2 A hemispherical surface of radius R is placed uniform electric field E as shown in Fig Flux with its cross section perpendicular to a linked with its curved surface...
- Q Zero Marks 0 In all other cases The electric potential V in volt in a region of space is given by V ax ay 2az2 where a is a constant...
- Q Q7 What is the inherent characteristic of matter a Charge is inherent characteristic c Coulomb s law is not applicable in vacuum b Quantization of charges d None of the...
- Q following statement is are TRUE Assume steady state 10V SRAM C C C 5 F which of the B Ca R 1 10V ATHE A Potential of point O can...
- Q Two charges 5uC and 4 C are seperated by a distance 20cm in air Work to be done to decrease the distance to 10 cm is 1 1 8J 2...
- Q View In English Shown in the figure is a spherical shell with inner radius a and outer radius b which is made of conducting material A point charge Q is...
- Q Four identical charges each of charge q are placed at the corners of a square Then at the centre of the square the resultant electric E and the net electric...
- Q CLO 2 Figure below shows a section of three long charged cylinders centered on the same axis Central cylinder A has a uniform charge QA 390 900 What uniform charges...
- Q 22 An electric dipole is situated in an electric field 22 of uniform intensity E whose dipole moment is p and moment of inertia is L If the dipole is...
- Q A particle having a mass of 10 2 kg carries a charge of 5 x 10 8 C The particle is given an initial horizontal velocity of 105 m s...
- Q The region of a non conducting sphere rdenotes the distance from the centre of the sphere is uncharged and the regionsr is charged with charge density p r po where...
- Q Three charged particle A B and C with charges 4q 2q and 2q are present on the circumference of a circle of radius d the charged particles A C and...
- Q 2 1000 small water drops each of radius r and change q coalesce to form one spherical drop The potential of big drop is larger than that of smaller ones...
- Q An infinite length of cylinder of radius R has uniform charge density p then choose the correct option s rradial distance from central axis of cylinder Electric field at distance...
- Q 1 A charge of 6 25uC in an electric field is acted upon by a force 2 5N The potential gradient at this point is 1 4 10 V m...
- Q Tvo thin conducting spherical shells of radii Rand 3R are fixed concentrically and given total charge Q and Q respectively Which of these options is are correct 0 The electric...
- Q Asseetion A The kinetic energy of a charged particle moving in a uniform Magnetic field does not change Reason R In a uniform magnetic field no force acts on the...
- Q A charge q is placed at the centre of the open end of a cylindrical vessel The flux of electric field through the surface of th vessel is A zero...
- Q 3 4 10 28 Charges 20 30 40 and 50 C are at the corners of a square of 10 cm The field at the point of intersection of the...
- Q 1 4E 4 48 Two point charges q and 9 2 are situa the origin and at the point a 0 0 respecti The point along the x axis where...
- Q Two thin conducting spherical shells of radii R and 3R are fixed concentrically and given total charge Q and Q respectively Which of the options is are correct The electric...
- Q 3 450NC An electron is projected into an elect intensity 9x10 NC in the direction of the field acting towards east Its acceleration is 1 1 6 10 8 ms...
- Q Infinity the electric field between the plates of a cathode oscilloscope be 1 2x10 N C the deflection that an electron will experience if it enters at right angles to...
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