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08.11.2020, adminWhat is the ratio of electric field intensity at a point on the equatorial line to the field at a point on axial line when the points are at the same distance from the centre of the dipole? For an isolated parallel plate capacitor of capacitance C and potential difference V, what will happen to i charge on the plates ii potential difference across the plates iii field between the plates iv energy stored in the capacitor, when the distance between the plates is increased?
If the capacitor is charged to 5. What is the work done by external agent to take 2 units S. Justify the difference. A point charge Q is kept at the intersection of i face diagonals ii diagonals of a cube of side a. Graphically show the variation of electric field intensity with distance from the centre of shell. Derive an expression for the capacitance of the capacitor.
What will be its capacitance when t is equal to d? A potential difference V is applied across a conductor of length L and diameter D. How are the electric field E and the resistance R of the conductor affected when i V is halved solutiosn L is halved iii D is doubled. Justify your answer. Chspter is an equipotential surface? Write three properties Sketch equipotential surfaces of i Isolated point charge ii Uniform electric field pxf Class 10th physics chapter 2 ncert solutions pdf. If you have any doubt, please visit to discussion forum to ask your doubts.
Chapter 2 Electrostatic Potential and Capacitance Solutions. Important Questions on 12th Physics Chapter 2 A spherical conductor of radius 12 cm has a charge of 1. What is class 10th physics chapter 2 ncert solutions pdf electric field inside the sphere? This is because if there is field inside the conductor, then charges will move to neutralize it. Ppdf capacitors of capacitances solutiojs, 3pF and 4pF are connected in parallel.
What is the total capacitance of the combination? Explain what would happen if in the capacitor given in Exercise 2. Is the electric field inside a cavity with no charge zero, even if the shell is not spherical, but has any chappter shape?
Yes The electric field intensity inside a cavity is zero, even if the shell is not spherical and has any irregular soluttions. Take a closed loop such that a part of it is inside the cavity along a field line while the rest is inside the conductor. Net work done by the field in carrying a test charge over a closed loop is zero because the field inside the conductor is zero. Hence, class 10th physics chapter 2 ncert solutions pdf field is zero, whatever is the shape.
Show that the tangential component of electrostatic field is continuous from one side of a charged surface to. When a charged particle is moved from one point to the other on a closed loop, the work class 10th physics chapter 2 ncert solutions pdf by the electrostatic field is zero.
Hence, the tangential component of electrostatic field is continuous from one side of a charged surface to the. Two large conducting cpass carrying charges Q1 and Q2 are brought close to each. A small test charge is released at rest at a point in an electrostatic field configuration. Will it travel along the field line passing class 10th physics chapter 2 ncert solutions pdf that point?
Yes, If a small test charge is released at rest at a point in an solurions field configuration, then it will travel along the field lines passing through the point, only if the field lines are straight.
This is because the field lines give the direction of acceleration and not of pdc. What is the work done by the field of a class 10th physics chapter 2 ncert solutions pdf in a complete circular orbit of the electron?
What if the orbit is elliptical? Whenever the electron completes an orbit, either circular or elliptical, the work done by the field of a nucleus is zero. We know that electric field is discontinuous across the surface of a charged conductor. Class 10th physics chapter 2 ncert solutions pdf electric potential also discontinuous there? No Electric field is discontinuous across the surface of a charged conductor. However, electric potential is ncwrt.
What meaning would you give to the capacitance of a single conductor? The capacitance of a single conductor is considered as a parallel plate capacitor with one of its two plates at infinity.
Guess a possible reason why water has a much greater dielectric constant 80 than say, mica 6. Water has an unsymmetrical space as compared to mica. Since it has a permanent dipole moment, it has a greater dielectric constant than mica.
The top of the atmosphere is at about kV with respect to the surface of the earth, corresponding to an electric field that decreases with altitude. Why then do we not get an electric shock as we step out of our house into the open? Assume the house to be a steel cage so there is no field inside! We do not get an electric shock as we step out of our house because the original equipotential surfaces of open air changes, keeping our body and the ground at the same potential.
Will he get Ncert Solutions Of Class 10th Chemistry Chapter 2 Im an electric shock if he touches the metal sheet next morning? Yes, class 10th physics chapter 2 ncert solutions pdf man will get an electric shock if he touches the metal slab next morning. The steady discharging current in the atmosphere charges up the aluminium sheet. As a result, its voltage rises gradually. The raise in the voltage depends on the capacitance of the capacitor formed by the aluminium slab and the ground.
The discharging current in the atmosphere due to the small conductivity of air is known to be A on an average over the globe. Why then does the atmosphere not discharge itself completely in due course and become electrically neutral?
In other words, what keeps the atmosphere charged? The occurrence of thunderstorms and lightning charges the atmosphere continuously. Hence, even with the presence of discharging current of A, the atmosphere is not discharged completely. The two opposing currents are in equilibrium and the Class 10th Geography Chapter 4 Ncert Solutions Pdf atmosphere remains electrically neutral. What are the forms of energy into which the electrical energy of the atmosphere is dissipated during a lightning?
The earth, however, does not get discharged since thunderstorms and lightning occurring continually all over the globe pump an equal amount of negative charge on the earth. During lightning and thunderstorm, light energy, heat energy, and sound energy are dissipated in the atmosphere.
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