Physics question and answers for February 04, 2024
- Q The coefficient of mutual inductance of two coils is 5 H The current through the primary coil is 4 0 5 A reduced to zero value from 3 A in...
- Q A metal sphere A of radius r charged to a poterlal is enveloped by a thin walled conducting spherical shell B of radius r Then potential 2 of the sphere...
- Q A metallic shell has a point charge q kept inside its cavity Which one of the following diagrams correctly represents the electric lines of forces 1 3 2 4
- Q 17 A point charge q of mass m is placed at the centre of a fixed ring of charge Q and radius R What minimum velocity along the axis of...
- Q Five Styrofoam balls are suspended from insulating threads Several experiments are performed on the balls and the following observations are made i Ball A repels C and attracts B ii...
- Q Consider a uniform charged sphere of charge density p and radius R If the cavity of radius 0 5R is made inside the sphere and the removed part is again...
- Q A capacitor made of two circular plates each of radius 12 cm and separated by 5 mm The capacitor is being charged by an external source The charging current is...
- Q Ques 14 INTEGER It requires 1 mJ of work to move two identical positive charge q from infinity so that they are separated by distance a How much work in...
- Q Figures shows some equipotential lined distributed in space A charged object i moved from point A to point B 20V 40V 10v 20v 30V 40V 50V 30V B 10v 30V...
- Q Consider two hollow concentric spheres S and S enclosing charges 2Q and 4Q respectively as shown in the figure i Find out the ratio of the electric flux through them...
- Q Electric field in a region is given as E 10 5x i A charge particle of mass 5kg and charge Q IC is situated at origin and free to move...
- Q A charge is uniformly distributed in a spherical volume o radius R The electric field at distance r r R from its centre is proportional to r 1 r 2
- Q If two electrons are each 1 5 10 m from a proton as shown in Figure magnitu the net electric force they will exert on the proton is 65 0...
- Q 2 Two charges of magnitudes 2Q and Q are located at points a 0 and 4a 0 respectively What is the electric flux due to these charges through a sphere...
- Q ENGLISH Q No 2 Single Correct A A Marks 4 00 1 C If 91 92 8q then which of the following force between 9 and 92 is not possible...
- Q Problem Three charges are situated at the corners of a square side a as shown in Figure How much work does it take to bring in another charge q from...
- Q An electron and a proton are at a distance of 14 Angstrom Th dipole moment of this system will be 2 48 x 10 16 Cm 2 48 x 1028...
- Q Figure shows electric field lines due to two charges 9 and 92 The signs and magnitude of two charges are 9 92 Both are negative and 19 1 1921 Both...
- Q Two connected charges of q and q respectively are at a fixed distance AB apart in a no uniform electric field whose lines of force are shown in the figure...
- Q To 5 In the arrangement of two concentric conducting shell as shown in the figure charge on the outer shell is 10 C and the inner shell is grounded Ther...
- Q A charge q 10 6 C of mass 2 g fig is free to move when released at a distance a from the fixed charge Q Calculate its speed when...
- Q Variation in potential is maximum if one goes 1 Along the line of force 2 Perpendicular to the line of force 3 In any direction 4 None of these In...
- Q Two molecule each with permanent dipole moment p are aligned as shown Calculate the force between the molecules if they are separated by a distance that is large compared with...
- Q Which of the following graphs most appropriately gives variation of magnitude of electric field due to an infinitely long thin uniformly charged cylindrical shell of radius R with distance r...
- Q Two identical spherical conducting bodies A and B carries charges 2C and 8C respectively Now a 4C charge is added to both of them and then they are made in...
- Q Two conducting spheres of radii R and R are charged with charges Q and Q respectively On bringing them in contact there is SIR A no change in the energy...
- Q If q q2 8q then which of the following force between q and q2 is not possible for a given distance r B q or 2q TEOR 8q Teor q...
- Q Inside a neutral conductor sample of arbitrary non spherical shape a non spherical cavity is present There is a point charge inside the cavity The induced surface charge density on...
- Q Charges q q and q coulomb are placed at the points i j k i j k and i 1 k respectively The x component of electric field at the...
- Q SolveLancer Test Consider that at any time t 0 a small particle of mass 2 x 10 5 kg comes in the influence of An electric field given by E...
- Q 29 In a certain region of space electric field is along the z direction throughout The magnitude of electric field is however not constant but increases uniformly along positive z...
- Q 7 Find ratio of electric field at point A and B Infinitely long uniformly charged wire with linear charge density is kept along z axis ZA A 3 4 6...
- Q Q de 0 RCose Rde RSine r RCose P dear teacher listen to my question prop erly Find the electric field at point P1 using elemental integration Plz do n...
- Q Electric field intensity at a point varies with distance as for OA point charge O An infinite line of charge O A plane infinite sheet of charge O An electric...
- Q A charge Q is kept at the corner of a cube Electric flux passing through one of those faces not touching that charge is 1 Q 24 2 0 3...
- Q Two charges q1 and q2 are kept on x axis and electric field at different points on x axis is plotted against x Choose correct statement about nature and magnitude...
- Q 4kq 3 zero Two point charge q and 4q are placed at a 0 and 4a 0 respectively Then position of neutral point will be 1 x a 2 x...
- Q in a certain conservative force field has a potential 20xy Z The force exerted on it is energy given by V 1 20V 20x i 20x 25 20V i 20x...
- Q 0 Four changes are arranged at the corners of a square ABCD as shown in the adjoining figure The force on a positive charge kept at the centre O is...
- Q Which electric field is responsible for the proton s trajectory as shown below Parabolic trajectory
- Q Courses Physics Electric Field and Potential Question 1 A charged particle of mass m and charge e has velocity u when at a d istance d from a conducting plate...
- Q A hollow spherical conducting shell of inner radi r and outer radius r has a charge Q A charge qis placed at the centre of the sphere The surface charge...
- Q P123 The distance between the plates of a plane capacitor is d and the area of each plate is A As shown in the figure both plates of the capacitor...
- Q figure below shows the path of a positively charged particle 1 through a rectangular region of uniform electric field as shown in the figure What are the direction movement of...
- Q Two small spheres each of mass m and charge q are tied from the same rigid support with the help of silk threads of length L They make angle with...
- Q Find whether the given electric fields are possible or impossible electric field E xyi 2yzj 3xzk and E y i 2xy z2 j 2yzk a Only E is a possible...
- Q X and Y are large parallel conducting plates close to each other Each face has an area A X is given a charge Q Y is without any charge Point...
- Q charge 0 4 C due to another small sphere of charge 0 8 C in air is 0 2 N a What is the distance between the two spheres b...
- Q 16 Electric Potential is zero at point q B A D E C 41 3 ir e d dt 4 400 s 16 far 37 1 A D only 2...
- Q As a result of change in the magnetic flux linked to the closed loop shown in figure an emf V volt is induced in the loop The work done in...
- Q question contains statements given in two columns which have to be matched Statements A B C column I have to be matched with statements p q r s t in...
- Q 25 Four point charges 9A 9B 2 C q 5 C qc 2 C and qD 5 C are located at the corners of a square ABCD of side 10...
- Q Figure shows some equipotential lines distributed in space A charged object is moved from point A to point B 20V 40V 30V 40V 30V HURL 48 1 46 1 B...
- Q 25 In a certain region of space electric field is along the z direction throughout The magnitude of electric field is however not constant but increases uniformly along the positive...
- Q 26 A hollow charged conductor has a tiny hole cut into its surface Show that the electric field in the hole is o 2con where n is the unit vector...
- Q Four point charges are placed at the corners of a square of side a as shown in the figure A charge q is slowly displaced from P to P2 then...
- Q 27 Obtain the formula for the electric field due to a long thin wire of uniform linear charge density E without using Gauss s law Hint Use Coulomb s law...
- Q 97 At a distance from a uniformly charged long wire a charged particle is thrown radially outward with a velocity u in the direction perpendicular to the wire When the...
- Q electric field pointing from the corner A towards the corner C What the charges induced on each rod 5 Three identical point charges are placed on the vertices of an...
- Q 1 Which electric field is responsible for the proton s trajectory as shown below 1 2 4 F F Parabolic trajectory f is in dirt of field EADER TEST SERIES...
- Q 91 4 1 93 1 A frictionless non conducting inextensible thread of length wears three beads of positive charges 91 92 and 93 The ends of the thread are connected...
- Q AB is 1 meter long uniform wire of 10 ohm resistance The other data are as shown in the circuit diagram Calculate a potential gradient along AB and length AO...
- Q Two substances are identical except that the electron mean free time for substance A is twice the electron mean free time for substance B If the same electric field exists...
- Q Q22 Two resistors have different temperature coefficient of resistance a 1 and a 2 What will be the equivalent temperature coefficient of their pa combination A a 1 a2 B...
- Q elect the correct statement If electric field is zero at a certain point then potential should be zero at that point If electric field is not zero at a certain...
- Q 9 Keeping the voltage of the charging source constant what would be the percentage change in the energy stored in a parallel plate capacitor if the separation between its plates...
- Q Two spheres of radii 1 cm and 2 cm have been charged with 1 5 x 10 8 and 0 3 x 10 7 coulombs of posiitve charge When they...
- Q In the rectangle shown below the two corners have charges q 5 0 C and q 2 0 C 91 SHE 9 A B 15 cm 5 cm 922 2ML
- Q 2 Two spheres of radii R and R having equal charges are joined together with a copper wire If V is the potential of each sphere after they are separated...
- Q 13 In a uniform electric field the potential of origin is V and at each of the points a 0 0 0 b 0 2 0 0 c The potential...
- Q Two fixed solid spheres of charges Q and KQ are separated by a distance 6R A charge q is to be projectes along the line joining their centres so that...
- Q A conducting sphere of radius R carries a charge 30 as shown in Figure It is surrounded by linear dielectric material of relative permittivity e out of radius a a...
- Q Two particles A and B having equal charges are placed at distance d apart A third charged particle placed on the perpendicular bisector of AB at distance x The third...
- Q Paragraph 2 A very long thick plate has a uniform positive volume charge density given by p x po for 2 is a positive constant d is the thickness of...
- Q A wire AMB is placed along y axis having linear charge density C m The electric field intensity at point P is PM 0 1 m B 33 1 08...
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