An electron beam contains 1.5 × 10¹⁷ electrons per m³ and is confined to circular cross-sectional region of diameter 0.025 mm. The electrons in the beam are extremely energetic and travel at nearly the speed of light. What is the current in the beam? A) 1.4 A B) 3.5 mA C) 350 mA D) 14 mA

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The Answer of An electron beam contains 1.5 × 10¹⁷ electrons per m³ and is confined to circular cross-sectional region of diameter 0.025 mm. The electrons in the beam are extremely energetic and travel at nearly the speed of light. What is the current in the beam? A) 1.4 A B) 3.5 mA C) 350 mA D) 14 mA

An Electron Beam Contains 1