Physics question and answers for February 14, 2024
- Q An electrical charge distribution is given by volume charge density p r ar 0 r R when r is the radial coordinate Find the electric flux due to this distribution...
- Q ECTRIC CHAR A small electric dipole is placed with its dipole moment directed along positive x axis The direction of electric field at a point 2 2 2 0 is...
- Q An electron falls through a distance of 1 5 cm in a uniform electric field of magnitud 2 0 10 N C Fig a 111 A Calculate the time it...
- Q 14 A point charge 1 nC is placed at 50 cm from the centre of a conducting shell of radius 20 cm having 3 nC charge There is a cavity...
- Q 17 A half ring of radius r has a linear charge density The potential at the centre of the half ring is 2 1 480 2 2 4 or 2...
- Q A nonconducting ring of radius R carries no NET charge Then Electric field intensity on the axis of ring is always zero Axial component of electric field intensity on the...
- Q We know that if charge is distributed on a body these charges interact to give a certain self energy to the body This self energy can be calculated in many...
- Q 51 The electrostatic potential o of a spherical symmetrical system kept at origin as shown in the adjacent figure is given as Ro a Only 1 c Both I and...
- Q ee charges q Q and Q are placed at the corners of an equilateral triangle of side 0 48 m as shown he case q 1 nC on top and...
- Q The dielectric constant D 10 15 10k t of medium 1 is 4 3 and the dielectric E constant of medium 2 is 2 6 for two infinite homogeneous isotropic...
- Q O electric flux O electrostatic O electric field lines O electric field Question 2 O electric field lines O electric field Question 2 If the distance between two charges is...
- Q A point charge q is placed in front of a thin conducting spherical shell of radius R at a distanc 2R from the center of sphere Mark the correct statement...
- Q 8 Find the potential of the electrostatic field inside a cylinder of length 1 and radius if each end of the cylinder is grounded and the surface is charged to...
- Q Density of a sphere of radius R with concentric spherical cavity of radius r x R then where x is distance from its centre and A B C D Column...
- Q An electric dipole is situated in an electric field of uniform intensity E whose dipole moment is P and moment of inertia is I If the dipole is disturbed slightly...
- Q Q2 The Figure shows a ring of radius R Charge is uniformly distributed along the ring The left black semicircle carries a positive charge 2Q and right white circle carries...
- Q 10 A uniform right angled triangular lamina is placed on a horizontal floor which is not frictionless One of the acute angle of the lamina is as shown in the...
- Q A solid sphere carrying a uniformly distributed charge q within its volume rotates about a diameter 2r So that the speed on its equator is v The electric field at...
- Q 4 Four charges equal to Q are placed at the four ccrners of a square and a charge q is at its centre the system is in equilibrium then the...
- Q If PR PL Pc denotes the average power dissipated per cycle in resistor inductor and capacitance of series LCR circuit respectively then O PL PC 0 O PL 0 Pc...
- Q A non conducting spherical shell of radius R having charge distribution q and q is released from rest on a horizontal non conducting rough surface as shown in figure in...
- Q 5 Derive the final equation first for every probler before plugging in the values given 6 Round off all answers to two decimal places T T3m15m 82 81 4 What...
- Q Four charges 2C 3C 4C and 5C respectively are placed at all the corners of a square Which of the following statements is true for the point of intersection of...
- Q 39 Two point charges 4q and q are fixed on the r axis at x d 2 and 2 d 2 respectively If the third point charge q is taken...
- Q 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 75 origin such that OP...
- Q 28 Two charged thin infinite plane sheets of uniform charge density o and o where lol lol intersect at the right angle Which of the following best represents the electric...
- Q When current in a coil changes from 5 A to 2 A in 0 average voltage of 50 V is produced The self inductal of the coil is a 6H...
- Q A point charge 1 nC is placed at 50 cm from the centre of a conducting shell of radius 20 cm having 3 nC charge There is a cavity in...
- Q Consider a postive point charge q fixed in space A second positive point charge q is moved from point C to point D such that point C is at a...
- Q A metallic sphere is given some charge Electric energy is stored A B C D Only inside the sphere Only outside the sphere Both inside and outside Neither inside nor...
- Q along CA F 20 10 5 N suspended by strings of equal lengths The strings m Problem 1 19 Two identical charged spheres an angle 30 with each other When...
- Q When a heater heated with the current of 5A with a resistance 6ohm and 10L water taken in a jar and heated the temperature of water is 10degree celcius then...
- Q 35 Two charges q and 2q are placed on smooth table with a separation d Where should the third charge Q is to be clamped on the table such that...
- Q 4 It gets burst 26 Charges q 2q 4q 8q are placed along x axi at r 2r 4r 8r from origin respectively The n electric field at origin is...
- Q 2 A particle of mass m and charge q is thrown at a speed u against a uniform electric field E The distance it travelled before coming to rest will...
- Q A particle of charge q and mass m moves in a circular orbit around a fixed point charge Q in a circle of radius r and time period T Which...
- Q 23 Two identical metallic spherical shells A and B having charges 40 and 10Q are kept a certain distance apart A third identical uncharged sphere C is first placed in...
- Q The electric field in the space is given by E E xi y zk Consider a right circular cylindrical surface whose radius is a and height h as shown in...
- Q A thin rod of length 2 3R is charged uniformly with linear charge density 2 Another rod semicircular in shape and radius R is also charged with the same linear...
- Q Two charged objects have an attractive force of 0 0929 N If the distance separating the objects is quadrupled then what is the new force Hint Round your answer in...
- Q Sir How answer is given straight line 4 3 x4 29 The graph between magnitude of electric field due to a point charge as a function of inverse of square...
- Q In an uncharged conducting spehre of radius R a spherical cavity of radius R 3 is made as shown in the figure It is given that OC and PX R...
- Q vi What are the colour codes of carbon resistor Explain its significance vii Derive an expression for electric field due to electric dipole at axial point viii Explain the force...
- Q xi yj zk The electric field intensity in a region of space can be given as C x y z charge enclosed by a sphere of radius a centred at...
- Q 100 If 343 droplets each of charge q and radius r are combined to form a big drop then the potential of big drop as compared to small droplet will...
- Q 31 A particle of mass 2 g and charge 1 C is held at rest on a frictionless horizontal surface at a distance of 1 m from the fixed charge...
- Q 97 Two spherical conductors A and B of radii 1 mm and 2 mm are separated by a distance of cm and are uniformly charged If the spheres are connected...
- Q 83 When a charge of 3 C is placed in a uniform electric field it experiences a force of 3000 N The potential difference between two points separated by a...
- Q Find the electric field at a distance from a linear plus charge with a constant linear charge density infinite length and a distance from a linear plus charge
- Q Q 21 Compare the current in the given circuit in the two cases 2KJ2 10 V SOUR 7 ww 3k 2 i when an ideal ammeter is used ii when...
- Q Consider three particles with positive charges Q 1C Q2 2C and Q3 4C placed in vacuum Find the minimal possible magnitude of the force between Q and Q3 if you...
- Q Two identical balls each having density p are suspended from a common point by two insulating strings of equal length Both the balls have equal mass and charge In equilibrium...
- Q A small particle of mass m and charge qis placed at point P on the axis of uniformly charged ring and released IfR x the particle will undergo oscillations along...
- Q An electron is revolving around a long line of charge having charge density 2 Find the kinetic energ of the electron assuming that it is independent of radius of electron...
- Q Two charges of magnitudes 3Q and 2Q are located at points a 0 and 4a 0 respectively What is the electric flux due to these charges through a sphere of...
- Q Figure shows three point charges 2q q and 3q Two charges 2q and q are enclosed within a surface S What is the electric flux due to this configuration through...
- Q 06 A uniform but increasing with time magnetic field exists in a cylindrical region The direction of force on an electron at P is a towards right b towards left...
- Q Consider the situation shown in figure The work done in taking a point charge from P to A is W from P to B is WB and from P to...
- Q A ring of radius R is charged uniformly with a charge Q The electric field at a point on its axis at distance r from any point on the ring...
- Q 28 A 3 0 nC charge Q is initially at rest at a distance of r 10 cm from a 5 0 nC charge q fixed at the origin The...
- Q The volume charge density inside and outside a spherical charge distribution is as follows a p r a Po b 0 c Calculate the total Electrostatic energy r d for...
- Q 37 Four objects W X Y and Z each with charge q are held fixed at four points of a square of side d as shown in the figure Objects...
- Q 51 Four charges q q q and q are placed at the corners of a square of side 2 L is shown in figure The electric potential at point A...
- Q 23 The magnitude of electric field due to a point charge 2q at distance r is E Then the magnitude of electric field due to a uniformly charged thin spherical...
- Q The sphere of charge 6 24 uC distributed uniformly throughout its volume The radie the sphere is 2 0 cm Find the electric field at distances 1 0 cm 2...
- Q The magnitude of electric field due to a point charge 2q at distance r is E Then the magnitude of electric field due to a uniformly charged thin spherical shell...
- Q 49 Two equal point charges Q each are kept at the two corners of an equilateral triangle Another charge q is kept at the centre of the triangle as shown...
- Q P Q is a uniform wire of resistance 2000 2 and M is the mid point of PQ A voltmeter of resistance 1000 2 is connected between P and M...
- Q The final answers and plots 1044 04x1 Q3 6 marks In the figure shown a rod of length L has a uniform linear charge density A Write a code to...
- Q q1 92 93 d If q1 2 nC q2 3 nC and d 0 01 mm what is the magnitude of the charge q3 that would be in equilibrium at...
- Q 2 Find the electric field at a point 1 1 1 due to two uniformly charged infinite non conducting plates which are placed perpendicular to the x axis at I...
- Q An electron enters in a horizontal electric field of strength 105 V m Assuming the weig of electron to be negligible its acceleration would be A 1 7x10 7 ms2...
- Q 246 Current Electricity 15 Two metal wires of indentical dimensions connected in series If o and 2 are conductivities of the metal wires respectively effective conductivity of the combination is...
- Q b Figure shows two charges q 21 3 C and q2 21 3 C held a fixed distance d 1 52 m apart a Find the strength of the electric...
- Q 44 180 Mark for Review Across a metallic conductor of non uniform cross section a constant potential difference is applied The quantity which remains constant along the conductor is Electric...
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!