LCR resonance condition: MCQ with Answer and Explanation
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Question #1
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The work done by a conservative force acting on a particle moving around any closed path is:
Correct Answer: Option A
Explanation:
By definition, a force is conservative if the work done by it on an object moving between two points is completely independent of the path taken. A direct consequence of this is that the total work done by a conservative force (like gravity or electrostatic force) in moving an object around a closed loop (returning to the starting point) is exactly zero.
By definition, a force is conservative if the work done by it on an object moving between two points is completely independent of the path taken. A direct consequence of this is that the total work done by a conservative force (like gravity or electrostatic force) in moving an object around a closed loop (returning to the starting point) is exactly zero.
Question #2
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In a semiconductor, the temperature coefficient of resistance is
Question #3
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A convex lens of focal length 20 cm is used as a magnifying glass. For maximum magnification, object should be placed at
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