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Re: PLS HELP
am not sure if your a is correct
because i know terminal voltage to be emf minus current mulitply by the internal resistor. emf-current*internal resistor.
A coil of 12Ω resistance is in parallel with a 20Ω resistance. This combination is connected in series with a third coil of 8Ω resistance. if the whole circuit is connected accross a battery having an emf of 30volts and internal resistance of 2Ω. Caculate a) the terminal voltage of the battery...
An alluminuim wire of 7.5meter long is connected in parallel with a copper wire of 6meter long. When a current of 5A is passed through the combination, it is found that the current in the aluminuim wire is 3A. The diameter if the aluminuim wire is 1mm. Determine the diameter of the copper wire...
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