Physics question and answers for February 12, 2024
- Q Two non conducting solid spheres of radii R and 2R having uniform volume charge densities p and p2 respectively touch each other The net electric field at a distance 2R...
- Q 13 An electrostatic field line leaves at an an gle a from point charge q and connects with point charge 92 at an angle 3 91 and 92 are positive...
- Q If J and are current density and electric field insid a current carrying conductor at an instant then JxE is O Positive O Negative O Zero O May be positive...
- Q The galvanometer shown in figure has resistance 50 2 and current required for full scale deflection is 1 mA are resistances R R and R required to convert it into...
- Q b 4 69 10 d 3 69 104N Among two discs A and B first have radius 10 cm and charge 106 C and second have radius 30 cm and...
- Q A potential is given by V x k x a 2 for x 0 and V x k x a 2 for x 0 The schematic variation of oscillation period...
- Q Two small objects A and B are fixed in place and separated by 2 69 cm in a vacuum Object A has a charge of 1 27 C and object...
- Q In a vacuum two particles have charges of 91 and 92 where q1 2 8 C They are separated by a distance of 0 23 m and particle 1 experiences...
- Q Four identical metallic objects carry the following charges 1 47 6 49 4 56 and 9 79 C The objects are brought simultaneously into contact so that each touches the...
- Q A thin rod of mass m carrying uniform negative charge q is placed symmetrically along the axis of a thin ring of radius R carrying uniformly distributed charge Q The...
- Q A conducting sphere of radius R and charge Qis placed near a uniformly charged non conducting infinitely large thin plate having surface charge density o Then potential at point A...
- Q Two charges of plus two point 4 microc oulomb and minus 2 4 microcoulomb a re at a distance of 2 5 into 10 raise to t he power minus...
- Q J 4 Two concentric hollow conducting spheres of radius a and b b a contains charges Q and Q respectively If they are connected by a conducting wire then find...
- Q Two identical small insulating balls are suspended by separate 0 25 m threads that are attached to a common point on the ceiling Each ball has a mass of 8x10...
- Q 0 Three infinitely long line charges having linea charge density 22 and 32 are placed along x axis y axis and z axis respectively The work done by electric field...
- Q If we consider solid conductors then of course the atoms are tightly bound to each other so that the current is carried by the negatively charged electrons There are however...
- Q 4x 4x b ES0045 7 At any point on the perpendicular bisector of the line joining two equal and opposite charges 1 the electric field is zero 2 the electric...
- Q English A charged parallel plate capacitor is kept in a magnetic field that is perpendicular to the plates Figure The distance between the plates is d The magnetic field is...
- Q 52 Pre Medical Physics 56 Four charges Q Q Q and Q are situated at the corners of a square in a sequence then at the centre of the square...
- Q circumference of a circle of radius R as shown in the figure What is electrostatic force on do placed at the centre of the circle 9 1 3 990 2...
- Q ES0053 55 The potential at a distance R 2 from the centre of a conducting sphere of radius R containing charge Q will be 1 0 3 Q 4x R...
- Q 3 4neo QX 4 zero ES0047 Certain positive charge is given to a conductor Then its potential 1 is maximum at the surface 2 is maximum at the centre 3...
- Q 28 An electron in an electron microscope with initial velocity vi enters a region of a stray transverse electric field E The time taken for the change in its de...
- Q The electric field in a region is given as E 2xy i 2x y y where all quantities are in S I units If the electric potential at 1 m...
- Q 3 An electric field is expressed as E 21 3 Find the potential difference VA VB between two points A and B whose position vectors are given by r 1...
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