What of the given below devices converts chemical energy to electrical energy?
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What is the heat generated (in J) in a heating element of resistance 800 Ω when a current of 0.2 A passes through it for 40 seconds?
During the free fall of the object, the decrease in potential energy, at any point in its path, appears as an equal amount of increase in _________________.
Which of the following devices helps to maintain a potential difference across a conductor?
The unit of power used in industry is
The acceleration due to gravity at the surface of the earth (mass M and radius R) is proportional to ___.
Why does a sprinter keep running even after crossing the finishing line?
Which of the following has the same unit as energy?
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