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Q2. In a class test 5 marks are awarded for every correct answer and 2 marks areawarded for every incorrect answer. If Reshma gets 5 answers correct and 6 incorrect,then what will be her score? |
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Answer» Answer: Calculate the current drawn by primary coil of a TRANSFORMER connected to 220 volt AC. it gives OUTPUT of 20 volt. if this is used to operate a device of RESISTANCE 20 ohm. |
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