A satellite is orbiting close to Earth's surface. Its orbital speed is (g = 10 m/s², R = 6400 km) MCQ with Answer and Explanation
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The ripple factor of a full wave rectifier is approximately
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The value of universal gravitational constant G is
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The First Law of Thermodynamics is essentially a specific application of which fundamental principle of physics?
Correct Answer: Option B
Explanation:
The first law of thermodynamics states that the heat supplied to a system (dQ) is equal to the change in its internal energy (dU) plus the work done by the system (dW): dQ = dU + dW. This is the law of conservation of energy applied to thermodynamic systems, stating that energy cannot be created or destroyed, only transferred or changed in form.
The first law of thermodynamics states that the heat supplied to a system (dQ) is equal to the change in its internal energy (dU) plus the work done by the system (dW): dQ = dU + dW. This is the law of conservation of energy applied to thermodynamic systems, stating that energy cannot be created or destroyed, only transferred or changed in form.
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