हाँ, 2025 के लिए सीबीएसई बोर्ड परीक्षा की डेटशीट जारी कर दी गई है। कक्षा 10 और 12 की परीक्षाएँ 15 फरवरी 2025 से शुरू होंगी। इसे CBSE की आधिकारिक वेबसाइट से या सीबीएसई डेट शीट आप Tiwari Academy (तिवारी ...
Tiwari Academy Discussion Latest Questions
Yes, the CBSE board exam datesheet for Class 10 and 12 has been officially released. The exams are scheduled to commence on February 15, 2025. Students can access it from the CBSE website and Tiwari Academy official website.
Benjamin Franklin invented the lightning conductor in the 18th century. His invention provided a method to protect buildings and structures from lightning damage by safely directing the electrical discharge into the ground.
Lightning conductors are made of copper because it has excellent electrical conductivity and resistance to corrosion. Copper effectively channels the electrical discharge from lightning safely into the ground, protecting buildings and structures from damage.
The resistance of the filament is more than that of the wires. The filament glows because its high resistance causes it to heat up and emit light when current flows through it. In contrast, the wires have much lower resistance, ...
The non-metal that is not a poor conductor of electricity is selenium. Unlike other non-metals such as sulfur, bromine, and phosphorus, selenium has the ability to conduct electricity, especially in its crystalline form. This property makes selenium useful in various ...
Ammonium chloride acts as the primary electrolyte, while zinc chloride helps in enhancing the performance and shelf life of the battery. These electrolytes facilitate the flow of electrical charge within the battery, enabling it to function efficiently.
In a normal dry cell, the electrolyte is a paste-like mixture typically composed of ammonium chloride (NH4Cl) and zinc chloride (ZnCl2). This electrolyte serves to facilitate the chemical reactions that generate electric current within the cell.
The best electrical conductor among common materials is silver. Silver has the highest electrical conductivity of any element, allowing electric charge to flow through it with minimal resistance. This superior conductivity makes it highly efficient for various electrical applications, although ...
Metals are good conductors of electricity because they have free electrons. These free electrons allow electrical charge to move easily through the metal, enabling efficient conductivity. This property is a key characteristic of metals and is the primary reason they ...