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Q: Two bulbs x and y are connected in parallel to a new dry cell. The switch is closed. If bulb x is unscrewed, the brightness of bulb y will a) double b) halve c) remain the same d) become 0 A: a? The current from the first branch would go into the second branch?

Q: Use symbols to draw a circuit diagram showing two dry cells connected in parallel with each other, and in parallel with two light bulbs. Show a voltmeter connected to measure the electrical potential of the two dry cells and an ammeter to measure electrical current through one of the bulbs...