Physics question and answers for February 02, 2024
- Q 9 A homogeneous non conducting rod RS rotates about an axis passing through O and perpendicular to its length The length of OR and OS are respectively a and b...
- Q SolveLancer Test The given figure shows 3 metal shells placed concentrically B is earthed If A and C are given charge Q and Q then find the energy stored in...
- Q A cylindrical region contains a uniform electric field that is along the cylinder axis and is changing with time If r is distance from the cylinder axis the magnitude of...
- Q 39 If linear charge density of a bent wire as figure is A a potential at the centre is R b electric field at the centre of the loop is...
- Q 10 C charge is uniformly distributed over a thin ring of radius 1m A particle mass 0 9 gm charge 1 C is placed at the centre of ring It...
- Q 4 gr 29 An electric field in space is is given b 10i 33 4k unit then electric flux through surface of area 1 unit lying in yz plane is...
- Q In a uniform positively charged spherical region there is a cavity as shown in figure The electric field the cavity is Option A B C P greatest at point A...
- Q Which of the following systems of charges have zero electrostatic potential energy A l C TI luc C 2cm 1cm luc 1cm 2 C e 2cm luC 2cm luc B...
- Q A charge of 40 pC is distributed on an isolated spherical conductor that has a 4 0 cm radius Point A is 1 0 cm from the center of the...
- Q We have two concentric conducting sphere S of radius Rand S of radius 2R and charge Q 20 respectively as shown in the figure Switch S is opened initially The...
- Q 28 Just outside a sharp point on a conductor we will have a larger gradually curving places on the conductor 1 Electric field 3 Both 1 2 2 Voltage 4...
- Q A 144 sphere of radius 2R has uniform charge density p The difference in the electrostatic potential at r R and r 0 from the centre is a PR o...
- Q 28 A spherically symmetric gravitational system 1 PO for FSR 0 for r R of particles has a mass density p where po is a constant A test mass can...
- Q Ex Two concentric coplanar circular loops made of wire resistance per unit length 10 m have d 0 2 m and 2 m A time varying potential difference 4 2...
- Q 32 Two charges q and 2q are placed along the x axis in front of a grounded infinite conducting plane as shown in the figure They are located respectively at...
- Q Figure shows a uniformly charged hollow spherical shell having total charge Q and radius R Consider two point A 0 Y 0 and B 0 Y 0 If electric field...
- Q 1 Mass density of a solid sphere is p Radius of the sphere is R The gravitational field at a distance r from the centre of the sphere inside it...
- Q plat m 2 face each other 5 0 cm apart with equal charge magnitudes q but opposite signs The field magnitude E between them neglect fringing is 55 N C...
- Q 68 not to scale The variation of potential with distance x from a fixed point is shown in figure The electric field at 13 m is X V volt 60...
- Q 25 A sphere of mass M and radius R has a concentric cavity of radius R as shown in figure The force F sphere on a particle of exerted by...
- Q 11 The electric field due to a charge configuration with total charge zero is not zero but for distances large compared to the size of the configuration its field falls...
- Q Two point charges are placed on the x axis as shown in the figure q1 6 20 C is placed at the origin and q2 4 92 C is placed...
- Q Q 5 Moderate O 400 V An oil drop with charge q is held stationary between two plates with an external potential difference of 400 V If the size of...
- Q 016 part 1 of 2 10 0 points Several light bulbs are connected in series across a 112 V source of emf What is the equivalent resistance if the cur...
- Q The additive property of charge is not an obvious property It is related to the fact that electric charge has no direction associated with it charge is a scalar 6...
- Q 12 i Using Gauss Theorem derive an expression for electric field intensity at a point due to an infinitely long straight charged wire 2 ii ABCD is a square of...
- Q A test charge qo is slowly moved from point A to B perpendicular to the uniform electric field as shown in figure The work done by the agent to move...
- Q 10 a Draw equipotential surfaces corresponding to the electric field that uniformly increases in magnitude along with the z directions b Two charges q and q are located at point...
- Q D Power factor is zero Two point charges A 3nC and B InC are placed 5 cm apart in the air The work done to r charge B towards A...
- Q A ring whose inner radius is a and whose outer radius is b lies in the xy plane The ring contains positive charge with uniform charge density o Determine the...
- Q Electric field in region is give Eo If particle of mase and charge is thrown with inital eed u from the origin the total oken by particle to return to...
- Q An electric dipole dipole moment p is placed at a radial distance r a where a is dipole length from a infinite line of charge having linear charge density 2...
- Q The variation of electric field between two charges Q and Q along the line joining the charges is plotted against distance from Q as shown in figure below then correct...
- Q A circle of radius R is drawn in a uniform electric field E as shown in the fig VA VB Vc and VD are respectively the potentials of points A...
- Q 1 An electron charge e is placed at each of the eight corners of a cube of side a and an a particle charge 2e at the centre of the...
- Q 134 Two spherical conductors of radii 4 cm and 5 cm are charged to the same potential If o and o2 be respective value of surface density of charge on...
- Q Three charges 2q q q are located at the vertices of an equilateral triangle At the centre of the triangle 1 the field is zero but potential is non zero...
- Q A generator uses 2600 joules to increase the electrical potential of a 2 coulombs arge What difference in potential will result if all of the generator s energy is onverted...
- Q If electrical force between two charges is 200N and we increase 10 charge on one of the charges and decrease 10 charge on the other then the electrical force between...
- Q Three wires AB BC CD of equal length are charged uniformly with linear charge density and are placed as shown P is a point which lies at a distance from...
- Q per the are nits 18 The electric potential due to an infinite sheet of positive charge density o at a point located at a perpendicular distance Z from the sheet...
- Q A uniform electric field pointing in positive x direction exists in a region Let A be the origin B be the point on the x axis at x 1 cm...
- Q respectively Initially both the keys are open The connection to earth of sphere A through K is such that the wire is insulated from shells B and C Now a...
- Q The distance between the two charges 25 C and 36 C is 11 cm At what point on the line joining the two charges the intensity will be zero at...
- Q String 1 in the figure has linear density 2 50 g m and string 2 has linear density 3 20 g m A student sends pulses in both directions by...
- Q Charge 20 and Q are placed as shown in figure The point at which electric field intensity is zero will be somewhere Q 2Q A Between Q and 20 B...
- Q A heating element using nichrome connected to a 230 V supply draws an initial current of 3 2 A which settles after a few seconds to a steady value of...
- Q cm Let Consider a dipole with dipole moment 4 8 x 10 30 c a point P lies 4 1 x 10 m away from centre of dipole Match the...
- Q At the three corners of an equilateral triangle charges are placed as shown in figure The magnitude of electric field at point O is a c 1 20 4 2...
- Q A circuit shown in the figure in which k is closed and k is open Inductor L can b connected in series to capacitor C by dosing switch k and...
- Q A point charge Q 10 2 C is held fixed at the origin A second point charge q 4 C is released from rest at point A at distance d...
- Q Fig 2 28 shows four point charges at the corners of a square of side 2 cm Find the magnitude and direction of the electric field at the centre O...
- Q We have two electric dipoles Each dipole consists of two equal and opposite point charges at the end of an insulating rod of length c The dipoles are placed along...
- Q viii For a spherically symmetrical charge distribution electric field at a distance r from the centre of sphere is E kr where k is a constant What will be the...
- Q A small particle of mass m 69 mg has a negative charge of q 5 C This particle is left at rest beneath an insulating charged plane sheet with uniform...
- Q Two concentric spheres of radii 1 m and 2 m have simila charges with equal surface densities o The electric potential at the common center is 0 300 0 2000...
- Q A point charge q is located at the centre of the spherical layer of uniform isotropic dielectric with relative permittivity k The inside radius of the layer is equal to...
- Q Two long parallel wires are located in a poorly conducting medium with resistivity p The distance between the axes of the wires is equal to 1 the cross section radius...
- Q vi In a system of two concentric spherical conducting shells charge q is given to both inner and outer shells as shown in figure 1 361 Inner shell is connected...
- Q ns Two large circular discs separated by a distance of 0 01 m are connected to a battery via a switch as shown in the figure Charged oil drops of...
- Q 101 Six charged particles each of magnitude q lie on the circumference of a ring of radius R as shown in the figure Find the magnitude of net electrostatic force...
- Q Charge is distributed throughout spherical region of space in such a manner that its volume charge density is given by relation p br2 0 r R where b is positive...
- Q ELECTROSTATICS 1 Page 2 Ex 31 A thin half ring of radius R 20 cm is uniformly charged with a total charge q 0 70 nC Find magnitude of the...
- Q 56 Four equal positive charges are fixed at the vertices of a square of side L Z axis is perpendicular to the plane of the square The point Z 0...
- Q 69 An electron goes from one equi potential surface to another along one of the four paths shown in the diagram Rank the paths according to the work done by...
- Q An alpha nucleus of energy mu bombards a heavy nuclear target of charge Ze Then the distance of closest approach for the alpha nucleus will be proportional to HRESHOW A...
- Q Ex 25 In the given arrangement of a charged square frame find field at centre The linear density is as shown in figure Sol E F due to 1 sin...
- Q radius b is centered at the origin in the yz plane The annulus is filled with positive charge of density The electric field along the x axis is where k...
- Q The coil a dynamo is rotating in a magnetic field The developed induced e m f changes and the number of magnetic lines of force also changes Which of the...
- Q 63 Four charges of 6 C 2 C 12 C and 4 C are placed at the corners of a square of side 1 m The square is in x...
- Q Three infinite line charges of charge per unit length 2 22 and are kept in xy plane parallel to the y axis They pass through x a x a and...
- Q TPH Two point charges of 1 C and 1 C are separated by a distance of 100 A point Pis at a distance of 10 cm from the mid point...
- Q A ring carries a linear charge density on one half and the linear charge density of same magnitude but opposite sign on the other half A the component of electric...
- Q 172 Four persons P Q R and S of same mass travel with same speed u along a square of side d such that each one always faces the other...
- Q In a conducting sphere there is a cavity of arbitrary non spherical shape Inside the cavity a charge Q is placed as shown The induced surface charge density on inner...
Get Answers to Unlimited Questions
Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!
Membership Benefits:
- Unlimited Question Access with detailed Answers
- Zin AI - 3 Million Words
- 10 Dall-E 3 Images
- 20 Plot Generations
- Conversation with Dialogue Memory
- No Ads, Ever!
- Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!