1. A uniform silver wire has a resistivity of 1.54 × 10-8 Ωm at room temperature, for an electrical field along the wire of 1 V/cm. Compute the drift velocity of electron assuming the there are 5.8 × 1028 Conducting electrons/m³. Also calculate the mobility. Given ρ = 1.54 × 10-8 Ωm, E = 1
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1. If an ionic crystal is subjected to an electric field of 1000 V/m and the resulting polarization is 4.3 × 10-8 cm², Calculate the relative permittivity of the crystal. Given E = 1000 V/m, ε0 =8.85×10-12 F/m, P = 4.3 × 10-8 C/m², εr = ? Solution :- [latex] \begin{aligned} P & =\varepsilon_{\mathrm{o}}\left(\varepsilon_{\mathrm{r}}-1\right) \mathrm{E} \\
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1. A person pulls a bench from one place to another using _____ on the object. Answer : Force 2. A motor cycle-is fitted with springs and shock absorbers, because Answer : It helps to reduce jerks while moving on uneven roads 3. An object that emits its own light is called ________ Answer :
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There are several physical signs of stress, including: Muscle tension: Muscle tension brought on by stress can result in headaches, back or neck discomfort, and general body pains. Fatigue: Chronic stress can make you physically and mentally exhausted. People may experience fatigue, sluggishness, and low energy. Digestive problems: Digestive problems like stomach aches, bloating, constipation,
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Astronomers have been concerned about the near-Earth asteroid Apophis because it could collide with Earth. When the asteroid was found in 2004, there was considerable worry that it might hit the Earth in 2029. Even if later observations ruled out a direct collision in 2029, there is still a remote chance that one will occur
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There are about 3 million people living in Wales, a country that is part of the United Kingdom. As there is no official definition or status for a “city” in Welsh law, there are several methods to describe what qualifies as a “city” in Wales. But the most typical criteria for identifying a city are
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Throughout history, there have been a number of rulers with the name William, including various English and British monarchs. The following is a list of English and British kings and queens named William: The first Norman king of England was William I (1066–1087), also referred to as William the Conqueror. William the Conqueror’s second son
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A uncommon viral illness called monkeypox mostly affects isolated regions of Central and West Africa. Monkeypox symptoms are comparable to smallpox symptoms but are less severe. Fever, headache, muscle aches, backaches, swollen lymph nodes, chills, and tiredness are some of the early signs of monkeypox. A rash appears within a few days, frequently starting on
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United States History Questions and Answers 1. What was the main cause of the exposed land bridge connecting Eurasia to North America? Answer : Much of the water in the oceans congealed into vast glacial packs. 2. Which theory best describes the spread of maize as a staple crop through the Native American populations? Answer
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1. The capital city of Canada is Ottawa, in what province is it located? Answer : Ontario 2. Which of these Canadian provinces is primarily French Speaking? Answer : Quebec 3. Which of these prairie provinces is the biggest? Answer : Saskatchewan 4. In British Columbia you will find many Douglas Firs. What is so
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