A BATTERY IS A GROUP OF :, ONLY TWO CELLS, TWO OR MORE CELLS, ONLY SINGLE CELL, KEY OR SWICTH IN CIRCUIT IS PLACED :, LEFT SIDE OF BATTERY, RIGHT SIDE OF BATTERY, ANYWHERE IN CIRCUIT, WHICH CIRCUIT IS THIS :, CLOSED CIRCUIT, OPEN CIRCUIT, NONE OF THE ABOVE, A GROUP OF CELLS JOINED IN SERIES IS CALLED IS CALLED :, BATTERY, OPEN CIRCUIT, ELECTROMAGNET, THE ELEMENT OF AN ELECTRIC IRON IS MADE OF :, NICKEL, TUNGSTEUN, IRON, NICHROME

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