Which of the following coloured light has the lowest frequency?
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Which of the following is not a renewable source of energy?
The energy released at the end of digestion is in the form of
The SI unit of weight is a
Which of the following devices helps to maintain a potential difference across a conductor?
What of the given below devices converts chemical energy to electrical energy?
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?
Which of the following is used to detect current in a circuit?
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