Comparing series and parallel circuits

12 questions

1. Which of the following statements about the ammeter in the circuit shown is correct?
2. Which of the following statements about the ammeter in the circuit shown is correct?
3. Which of the following statements about the current in the branches of a parallel circuit is correct?
4. What will happen to the current through a parallel circuit branch if one 6 \Omega resistor in it is replaced with two 3 \Omega lamps in series?
5. What will happen to the current through the cell in the following circuit if another lamp is added in parallel, as shown?
6. Which of the following changes occur if branches with components on them are added to a parallel circuit?
7. What will happen in a series circuit if a component (such as a resistor) is removed and the circuit is connected up again?
8. The current pushed round a circuit with two 1.5 V cells connected in series is 0.4 A. What current will be pushed round if a third, identical cell is added in series?
9. What will happen to the other lamps in the circuit shown if lamp 2 'blows'?
10. All of the lamps in the circuit shown are identical. What is the voltage across lamp 5?
11. All of the lamps in the circuit shown are identical. What is the voltage across lamp 2?
12. Which of the following changes occur as more resistors are added to a series circuit?

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