Physics question and answers for February 12, 2024
- Q The variation of potential with distance R from a fixed point is as shown in the figure The electric field at R 5m is Potential in volt S43210 HH A...
- Q parallel plate capacitive sensor measures displacement In one test the ensor has a time constant of 60 ms in air with standard temperature and ressure When it is subject to...
- Q An electric dipole is kept at the origin as shown in the diagram The point A B C are on a circular are with the centre of curvature at the...
- Q 5 The diagram shows four pairs of large parallel conducting plates The value of electric potential is given for each plate Rank the pairs according to the magnitude of the...
- Q Two charges of equal magnitudes and at a distance r exert a force F on each other If the charges are halved and distance between them is doubled then the...
- Q Four identical charge particles each of mass m and charge q are connected through six identical massless and inextensible strings of length l System is kept in a gravity free...
- Q 3 The potential of the electric field at any point x y z is given by V 3x 5 where x y z are in metre and V is in...
- Q Two charges one of which is 1 5 times the other experiences a force of 5 4N when placed at a distance of 10cm On increasing the distance between them...
- Q Column 1 q Q1 x O 02 x 03 3 0 q 04 a 0 90 0 a 10 0 0 a 0 0 0 59 COT 0 0 0...
- Q 1000 droplets of mercury each of potential 5 volt and radius R combine to form a big drop The potential of big drop is 500 V 50 V 1000 V...
- Q short dipole is placed on the axis of a uniformly charged rin otal charge Q radius R at a distance R 2 from centre of rin s shown in figure...
- Q If a potential of V x yz Ay z find A so that Laplace equation is satisfied and with the value of A determine electric field at 2 1 1...
- Q In the figure two point charges 4 0 uC and 2 0 uC are located at opposite corners of a rectangle Determine the electric force Cartesian form and polar form...
- Q A uniformly charged solid sphere of radius R has potential Vo measured with respect to on its surface For this sphere the equipotential surface 5V with potentials 3V and 2...
- Q For an isolated charged conductor shown in figure the potential field and charge density at A and B are VA EA OA and VB EB and Og respectively Which one...
- Q V 91 d Here are two charges in a line If q 19 3 nC and d 5 0 meters what is the electric potential at the position of q2...
- Q An object has a mass of 16 x109 kg and a charge of 580 nC It accelerates from a potential of 0 Volts to 5 Volts How much kinetic energy...
- Q If 9 8A are flowing and only 25 8C of charge have gone by then how much time has past Desmos Calculator At unit
- Q Two particles of equal mass 20 mg and equal charge 80 nC are brought from an infinite distance apart until they are only separated by 8 x 10 10 meters...
- Q Problem 12 A test charge of 3 C is placed halfway between a charge of 7 Cand another of 5 C separated by 10 cm a What is the magnitude...
- Q A 12 0 Volt car battery can move 56000 Coulombs of charge through a circuit What is its energy output unit
- Q Problem 16 Please Show Work 10 points Show that units of V m and N C for electric field strength are indeed equivalent
- Q 3 6 If all 4 switches below are turned on which light bulb will light up W Wood S Silver and Y Yarn A C 1 Circuit C 2 Circuit...
- Q The charge in coulombs required to suspend a 3 6x10 12 kg oil drop in an electric field with a magnitude of 1 9x104 N C is 6 9 10...
- Q Identify the following definitions A continuous flow of electrons Electricity type caused by a build up of electric charge How like charges behave towards one another How unlike charges behave...
- Q Inner Surface Outer Surface Charge q 1 00 nC Now even though the sphere itself is neutral the charge q inside will cause polarization a separation of charges within an...
- Q A constant electric field E 100 bounded by the y and z axes and the lines y 40 cm and z 40 cm The electric flux through the plane s...
- Q Ke 4TE 8 99 x 10 2 0 nC The point charge at the bottom of the figure is Q 49 nC and the curve is a circular arc The...
- Q A 20 nC charge is fixed at the origin of a rectangular coordinate frame When a 30 nC charge is placed at point P it experiences an electric potential of...
- Q 15 Base your answer to the following question on the information and diagram below Two small metallic spheres A and B are separated by a distance of 4 0 10...
- Q Part II Please show work including formula and substitution with units 1 8 5x10 5C 3 1x10 6C 6 4X10 C B 4 2 cm 2 9 cm a Calculate...
- Q A potential difference of 125 mV exists between the inner and outer surfaces of a cell membrane The inner surface is negative relative to the outer surface How much work...
- Q The figure below shows three small charged beads all lying along the horizontal axis Bead A at left has a 5 75 nC charge Bead B has a 1 40...
- Q The figure below shows a uniform electric field of magnitude E 490 N C making an angle of 67 0 with a flat surface of area A 3 60 m...
- Q The figure below shows a small hollow rubber ball hanging vertically from a thin lightweight string The ball has a mass of 7 00 g and a uniformly distributed charge...
- Q The dome of a Van de Graaff generator receives a charge of 5 4 x 10 4 C Find the strength of the electric field in the following situations Hint...
- Q In the classical model of a hydrogen atom an electron orbits a proton with a kinetic energy of 13 6 eV and an electric potential ene HINT a Use the...
- Q The figure below shows three small charged spheres at the corners of an equilateral triangle Sphere A has a charge of 1 85 PC 5 40 C and C has...
- Q 7 Two electrically neutral metal spheres 4 and B on insulating stands are placed in contact with each other A negatively charged rod is brought near but does not touch...
- Q charge and position of three metal spheres X Y and Zon insulating stands 4 106 C X OC Y A 1 10 6 C B 2 x 10 6 C...
- Q 8 Examine the charge distribution shown 9 4 0 x 10 C 92 4 0 x 10 C 4 0 m 3 0 m a What will the net force...
- Q 8 Examine the charge distribution shown 9 4 0 x 10 C 9 2 4 0 x 105 C 4 0 m 3 0 m a What will the net...
- Q 3 The electric field due to a spherically symmetric charge distribution is given to be E Q A cor2 r R Qp 4 R5 0 r R Find the potential...
- Q 12 The amount of current through R is use junction rule a 1 A c 3 A b 2 A d 4 A A source R 4 A 3 A
- Q In a Millikan type experiment there are two oil droplets P and Q between the charged horizontal plates as shown in the diagram Droplet P is in rest while droplet...
- Q 2 Two small balls A and B of positive charge Q each Q m and masses m and 2m respectively are connected by a non conducting light rod of length...
- Q An uniform electric field of magnitude E is set up is a region of gravity free space in upward direction An electron of mass me is projected at an angle...
- Q case A rod of mass M 10 kg is hinged at its midpoint on top of a pedestal of height h 50 cm and mass m 250 g The ends...
- Q 3R at a distance of R from the centre of the shell outer radius The electric potential at the center of the shell is 1 1 41 0 q 2R...
- Q Q 102 The electric field at X due to dipole P is Q 102 perpendicular to P then the angle 0 is equal to figure correction 1 0 3 tan...
- Q 3 Two identical point charges are placed at a separation of I P is a point on the line joining the charges at a distance from any one charge The...
- Q 1 What is the total charge on an infinite wire carring a charge density to where a is a cosntant Find electric potential at a point whose perepndicular distance from...
- Q 3 2 148 There is a conducting shell of inner radius 8 Q 148 cm and outer radius 10 cm Inside this shell there is a charge of 5 C...
- Q There are two concentric metallic spherical shells A and B as shown in figure If a charge Q is given to shell B and A is earthed then the potential...
- Q outside then there must be charges on the surface or in there cannot be any charge in the body of the c there must be charges only on the surface...
- Q Example 3 4 The resistance of the platinum wire of a platinum resistance thermometer at the ice point is 5 2 and at steam point is 5 23 2 When...
- Q Four points charges Q q 2q and 2Q are placed one at each corner of the square The relation between Q and q for which the potential at the centre...
- Q A very narrow tunnel is formed along the diameter of a spherical uniformly charged non conducting body Its radius is R and total charge is Q If an electron is...
- Q Two point charges q1 and q2 of equal mass m are initially at rest at an infinite distance It move towards each other due to their mutual attraction find their...
- Q If J and are current density and electric field inside a current carrying conductor at an instant then Jx is O Positive O Negative O Zero May be positive or...
- Q If the charge on a capacitor is increased by 2 C the energy stored in it increase by 21 The original charge on the capacitor is 1 10 C 2...
- Q 3 Two identical charged spheres of mass m and charge q are suspended by strings of equal lengths T from a common point of suspension The strings make an angle...
- Q A uniformly charged hollow non conducting spherical shell of radius R is having charge Q The magnitude of work done in moving any charge q from centre of sphere to...
- Q 2 An insulating shell of radius R with its center at the origin has a charge Q that is uniformly distributed on its surface An infinite line of charge density...
- Q A charge Q is kept at a perpendicular distance from the centre of a square plate of sides a The electric flux through the square surface is Only one correct...
- Q A circuit involving five ideal cells three resistors R R and 200 and a capacitor of capacitance C 1 F shown At steady state match the proper entries from celumn...
- Q 3 150 cm 4 200 cm Q 124 If potential in volts in a region is expressed Q 124 as V x y z 6xy y 2yz the electric field...
- Q 1 Find the magnitude of the electric field at a point that is at a distance x x R away from the center of two concentric shells with radius r...
- Q BL 29 nathor q 0 1 mathon Q8 27 July 2021 Shift 2 What will be the magnitude of electric field at point O as shown in figure Each side...
- Q NEET PHYSICS All India Major Test Series Phase I II Major Test 28 22 03 06 2020 Q 102 A semicircular ring of radius R is given a Q 102...
- Q 27 If a magnet is kept in a magnetic field B then the potential energy of the system is P E MB cos M B where is the angle between...
- Q View In English Electric charge on sphere A is equal to electric charge of sphore B The spheres are joined by conducting wire Then the wire is removed the common...
- Q Which among the following statement is incorrect regarding a uniform spherical shell Inside the shell the gravitational potential is zero Inside the shell the gravitational field is zero Inside the...
- Q A dipole of dipole moment p is placed at a distance 2R from the centre of a neutral conducting sphere of radius R The direction of dipole is towards the...
- Q Electric flux emanating element ds E 41 41 4k is 1 10 unit 3 30 unit through a surface 5 placed in an electric field 2 60 unit 4 20...
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