The energy gained by an electron in an electric field E over a mean free path l is given by: eEl = 2 eV Solving for E: E = 2 × 1.6 × 10⁻¹⁹ /4 × 10⁻⁸ = 8 × 10⁷ ...
Discussion Forum Latest Questions
The temperature dependence of resistivity ρ(T) is influenced by: (a) Number of charge carriers can change with temperature T → In semiconductors and insulators, the number of free charge carriers increases with temperature, significantly affecting resistivity. (b) Time interval between ...
Kirchhoff’s junction rule states that the total current entering a junction equals the total current leaving it, reflecting charge conservation. Since charge cannot accumulate at a junction, the correct answer is (B) conservation of charge and (D) no accumulation of ...
A raga is a melodic framework in Indian classical music, consisting of ascending (Aroha) and descending (Avaroha) notes. Each raga has a unique mood (rasa) and is used for different times of the day and emotions. Class 6 Visual Arts Kriti-I ...
The ascending order of notes in a raga is called Aroha (Arohanam in Carnatic music), while the descending order is called Avaroha (Avarohanam in Carnatic music). These define the melodic movement of a raga. Class 6 Visual Arts Kriti-I Taal or ...