Physics question and answers for January 27, 2024
- Q A charge of 90 nC is uniformly distributed along a rod of length L The magnitude of the electric field at a point 20 cm from one end of the...
- Q Question 10 10 J In the center of a sphere of radius 0 5 m a charge Q 55 0 nC is placed as shown in the figure Find the...
- Q 1S then what is the energy density between the plates 11 64 droplets of mercury each of radius r and carrying charge q coalesce to form a big drop Compare...
- Q Passage IV Q No 11 to 14 A thin non conducting ring is placed in XOY plane with its axis along Z axis and centre 0 o is constar origin...
- Q k 100 Subjective Questions 1 A 4 00 kg block carrying a charge Q 50 0 C is connected to a spring for which electric field of magnitude E 5...
- Q Two identical charged spheres suspended from a common point by two massless strings of lengths 1 are initially at a distance d d apart because of their mutual repulsion The...
- Q Three charges q q and q are situated in X Y plane at points 0 a 0 0 and 0 a respectively F otential at a distant point r r...
- Q Example 8 8 Two charges 5 x 10 8 C and 3 10 8 C are located 16 cm apart At what point s on the line joining the two...
- Q A point charge q is situated at a distance d from one end of a thin non conducting sheet of constant thickness t and of length L as shown in...
- Q 23 A potentiometer wire of length 4 m and resistance 8 2 is connected in series with a battery of emf 2 V and negligible intemal resistance If the emf...
- Q Three charged particles having charges q 2q c are placed in a line at points a 0 0 0 a 0 respectively The expression for electric potential a P r...
- Q eE eE 62 One half of a semicircular ring of radius R has charge Q while the other half has Q The ring is placed in xy plane where a...
- Q There is a uniformly charged non conducting solid sphere made of material of dielectric constant one If electric potential at infinity be zero then the potential at its surface is...
- Q two charges The electric field due to a discrete charge configuration is not defined at the locations of the discrete charges For continuous volume charge distribution it is defined at...
- Q Example 1 7 Consider the charges q q and q placed at the vertices of an equilateral triangle as shown in Fig 1 10 What is the each charge force...
- Q napart At what point on the line joining the two charges ic potential zero Take the potential at infinity to be zer ion Let us take the origin O at...
- Q Q 11 Shown in the figure is a semicircular metallic strip that has thickness and resistivity p Its inner radius is R and outer radius is R If a voltage...
- Q Fare Between Skew Lines Two mutually perpendicular long straight conductos carrying uniformly distributed charges of linear charge densities and 2 are positioned at a distance a from each other Find...
- Q A non conducting ring of mass m and radius R is charged as shown The linear charge density for corresponding region shown is A It is placed on rough horizontal...
- Q 28 9 The Potential of a Charged Conductor 15 A small conducting sphere originally has a charge q The sphere is lowered into a conducting can a Which of the...
- Q 5 12 An alternating voltage is connected in series with a resistance R and an inductance L If the potential drop across the resistance is 200V and across the inductance...
- Q 0 A charge q is lying at mid point of the line joining the two similar charges Q The system will be in if the value of q is b...
- Q An electric dipole consists of two point charges 5Q and 5Q separated by a distance 2a as shown in the figure a Find the net electric field at P a...
- Q uppose that over a certain region of space the electrical potential V is given by the following equation V x y z 3x 4xy xyz a Find the rate of...
- Q An infinite number of point charges each carrying 1 C charge are placed along the y axis at y 1 m 2 m 4 m 8 m The total force...
- Q Two charges q1 and q2 are separated by a distance d and exert a force F on each other Analyze Coulomb s Law and identify what new for will exist...
- Q 6 A long straight wire carries a current i Let B be the magnetic field at a point P at a distance d from the wire Consider a section of...
- Q 2 A test charge is moved from lower potential point to a higher potential point The potential energy of test charge will a remain the same c decrease b increase...
- Q Four charges 2C 3C 4C and 5C respectively are placed at the four corners of a square Which of the following statements is true for the point of intersection of...
- Q A hollow metal sphere of radius 5 cm is charged such that the potential on its surface is 10 volts The electric field at the centre of the sphere will...
- Q or the system shown in figure find Q for which the resultant force on q is zero
- Q 5 33 In the circuit shown in the figure 5 296 the AC source gives a voltage V 20 cos 2000 Neglecting source resistance the voltmeter and ammeter reading will...
- Q 65 A charged particle mass m and charge q moves alon X axis with velocity V When it passes through the origin enters a region having uniform electric field E...
- Q Three identical charges each of 1 C are kept on the circumference of a circle of radius 1 metre forming equilateral triangle The electric intensity at the center of the...
- Q 15 Find the glanci Hint 20 0 180 Here 52 Find the retarding potential required to stop electron of the de Broglie wavelength 0 5 nm 6 Hint eV hc...
- Q Example 2 3 Figures 2 8 a and b show the field lines of a positive and negative point charge respectively a 0 P O G b B FIGURE 2...
- Q 9 Two identical charged spheres suspended from a common point by two massless strings of lengths I are initially at a distance d d apart because of their mutual repulsion...
- Q If two positive point charges q are placed on the x axis one at x a and the other at x a then the electric field a is maximum at...
- Q Both question a and b refer to the system of charges as shown in the figure A spherical shell with an inner radius a and an outer radius b is...
- Q Two small spheres each having a mass of 20 g are suspended from a common point by two insulating strings of length 40 cm each The spheres are identically charged...
- Q In a certain region of space with volume 0 2 m the electric potential is found to be 15 V throughout Wha is the electric field in this region O...
- Q 9 45 10 cm Mark for Review The dipole moment of the configuration shown in the figure is 1 0 C 2 0 C 10 cm 10 cm 3x10 7...
- Q A solid sphere of radius R has a charge Q distributed in its volume with a charge density p kra where k and a are constants and ris the distance...
- Q 3 Both 1 2 4 Neither 1 nor 2 The distance between the plates of a parallel plate capacitor is 3 mm and the potential difference applied is 3 x...
- Q Please solve this query A point charge q is kept on equatorial position of an electric dipole of dipole moment p at distance r as shown in the figure Electric...
- Q Two mutually perpendicular infinite wires along x axis and y axis carry charge densities and 2 The electric line of force at P is along the line y x 3...
- Q A 0 70 m radius cylindrical region contains a uniform electric field that is parallel to the axis and is increasing at the rate 5 0 x 1012 V ms...
- Q Two insulated charged metallic spheres A and B have their centres separated by a distance of 50 cm in air a calculate the force of repulsion between them if the...
- Q 3 Vertical and down 10 Two charges 4q and q are kept at a 0 and a 0 respectively The graph showing the variation of electric field along x axis...
- Q Question Number 46 Question Id 9046847150 Question Type MCQ Option Shuffling Yes Is Question Mandatory No Correct Marks 1 Wrong Marks 0 A point charge of 625 nC is placed...
- Q 8 A non uniform but spherically symmetric distribution of charge has a charge density p r given by p r po 1 r R for r R 0 for r...
- Q R 20 For the given R L circuits the current through the cell just after switch is closed 1 E 18R M 65 3R ww 6R ww S 3R ww...
- Q A bead of mass m and charge q is threaded on a smooth wire kept along x axis A second charge Q is fixed at the point x 0 y...
- Q 26 1 unit ST ii A small metal sphere carrying charge Q is located at the centre of a spherical cavity inside a large uncharged metallic spherical shell as shown...
- Q Two point charges place IC and 0 0 are 10cm apart in vacuum Calculated the mag nitude of electric field intensity at the middle point of the line joining the...
- Q distance r from a long thread charged uniformly with linear charge density X Force Facting on the dipole if vector p is oriented along the thread is zero Force Facting...
- Q i Define electric flux Write its SI unit ii A uniform electric field for x 0 and E E N C E E i N C for x 0 are...
- Q Ants can become charged and can be treated as point charges Two ants are resting on a string The first ant is resting at x 6 0 m and has...
- Q Two identical conducting spheres are charged by induction and then separated by a large distance sphere 1 has charge Q and sphere 2 has charge Q A third sphere is...
- Q A non conducting ring is of radius 0 5 m 1 11 x 10 10 coulombs charge is non uniformly distributed over the circumference of ring which produces electric field...
- Q Three infinitely long charged thin wires are placed along x y z axes Their line charge densities are X 2 and 3 respectively Then You Missed AE at point a...
- Q 3 An electron and proton are placed in an electric field The forces acting on them are 50 4 a a and F and their accelerations are a 1 F...
- Q 8 AB and CD are two uniform resistance wires of lengths 100 cm and 80 cm respectively The connections are shown in the figure The cell of emf 5 V...
- Q A solid conducting sphere of radius R 0 2 m is charged with a charge Q The magnitude of the electric potential at point A a distance r 6 m...
- Q On a fixed frictionless non conducting rod bent at right angle can slide two beads of equal mass m carrying charges q and q of opposite signs Initially the beads...
- Q If charge q is fixed and q is free to move then find out the velocity of q when it reaches distance r after it is release from a distance...
- Q Two spherical conductors A and B of radii R and 2R respectively are each given a charge Q When they are connected by a metallic wire The charge will O...
- Q placed at the vertices of a square of side a 1 4 m If q 18 nC q 24 nC q3 35 nC and q 16 nC then find the...
- Q In the circuit shown in the figure the A C source gives a voltage V 20 cos 2000 t volt neglecting source resistance the voltmeter and ammeter readings will be...
- Q 4 Decreases as r increases r R Two parallel infinite line charges with linear charge densities C m and C m are placed at a distance of 2R in free...
- Q The electric potential in volts due to an electric dipole of dipole moment 2 10 cm at a distance 3m on a line making an angle of 60 with the...
- Q BOOKS 21 An electric dipole is placed along the x axis at the origin O A point P is at a distance of 20 cm from this origin such that...
- Q In a region of space suppose there exists a uniform electric field E 101 Vm If a positive charge moves with a velocity 2j its potential energy at this moment...
- Q Six point charges are placed at the vertices of a regular hexagon of side a as shown If E represents electric field and V represents electric potential at O then...
- Q There exists a uniform electric field E 4 x 105 Vm 1 directed along negative x axis such that electric potential at origin is zero A charge of 200 C...
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