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Q3. 1. Add a ammeter in the circuit

2. Add A cell to make it a battery

Q4.Adding more cells in series increases voltage, and according to Ohm's Law, this increases current if resistance remains constant.

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1.) He can decrease one lamp

2.) He can add one more cell so it will be a battery

Q4 Because the cell will increase then it will become a battery and the power will be double

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Q3.

1. ADDING A ONE MORE CELL IN CIRCUIT

2. REMOVE THE EXTA LAMP

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Q3) 1- Marcus can add one more cell to the circuit.

2- Marcus can remove one of the bulbs.

Q4- If there is one bulb in the series circuit then if we keep adding the cells and there is still one bulb then the current will increase.

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1. Marcus can Remove on lamp and add one more cell.

2. Adding more cell will add more chemical energy and it will increase the energy.

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Answer 3 = 1= We can add another battery in the series

2= We can replace the bulb with one of the lower resistance

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1. Adding more cells

2. Adding more lamps

4) Adding more cells to a circuit increases the total voltage and can provide more current

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2. Add another cell