Webrelaxation time: 1 n the time constant of an exponential return of a system to equilibrium after a disturbance Type of: time constant (electronics) the time required for the current … Webrelaxation: See: absence , enjoyment , informality , leave , mitigation , mollification , pause , remission , respite

(a) Define the term ‘conductivity’ of a metallic wire. Write its SI ...

WebCurrent Electricity Class 12 Important Questions Long Answer Type. Question 124. (a) Derive the relation between current density ‘ J → ‘ and potential difference ‘V’ across a current carrying conductor of length area of cross-section ‘A’ and the number density of free electrons. (b) Estimate the average drift speed of conduc¬tion ... WebJul 4, 2024 · (1) drift velocity : It is defined as the average velocity gained by the free electrons of a conductor in the opposite of the externally applied electric field. (2) relaxation time : The average time that elapses between two successive collisions of an electron with fixed atoms or ions in the conductor is called relaxation time. hero\u0027s journey captain america

Define the relaxation time of the free electrons drifting in a ...

WebClick here👆to get an answer to your question ️ 18.a) Obtain the expression of resistivity in terms of relaxation time. 131 b) Find the radius of the wire of length 25 m needed to prepare a coil of resistance Restivity of material of … WebDec 3, 2015 · Current Electricity Important Questions for CBSE Class 12 Physics Resistance and Ohm’s Law. 1 .The directed rate of flow of electric charge through any cross-section of a conductor is known as electric current. where, n = number of charged particles constitute the current. NOTE Current is a scalar quantity. WebJul 3, 2024 · class-12. Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students … hero\u0027s journey cg