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- Calculate the energy cost of an electroplating process running at 0.64 V and 25.1 A for 3077 s considering a cost of PhP51.57 per kWh? Round your answer to 2 decimal places.How many cells, each one having an open circuit emf of 4.5 V and an internalresistance of 0.5 ohms, are needed to supply current of 1.421 A to a resistor of 3 ohms ifthe cells are connected in parallel?What resistance must be placed in parallel with two 385 ohm resistors to produce a net resistance of 20.9 ohms?
- A certain light bulb has a resistance of 275 Ω. If a current of 0.618 A is going through it, calculate the voltage appliedA heating element in a stove is designed to receive 3,345 W when connected to 240 V. Assumming the resistance is constant, calculate the current heating element if it is connected to 120 Van electromotive force of a cell is 3.85 V and is connected to a load of 4,25 Ω, the voltage drops to 2.0 V. Find the current and internal resistance of the cell.
- silver has a resistance of 1.98x 12-4 ohms what voltage would produce a current of 100A?Find the resistance of a light bulb that is connected to a 120-volt line and has a current of 0.5 amps flowing through it.If a lamp has a resistance of 25 ohms, what must the resistance of a second lamp, which is connected in parallel to the first, be for the total to be 18.75 ohms?