The output resistance of an ideal op-amp is

1.13 What is the main idea of the story?                                           (2)

1.4  Which two statements, from the passage, shows us that Bryan is not playing games on a computer?                      (2)

4.2 What are the parts of speech underlined in each of the sentence below? Use the dropdown arrows to assist you in choosing the correct part of speech category to which they belong.  (0.5×4=2)

2.4 What is your opinion of the festival being held at a public library? Why do you think the organisers chose this venue? (2)

2.3 What 2 facts show that this is a weekend event, and that it will be a long event?  (2)

1.9 Why do you think Bryan didn’t want to get up to fetch a glass of water for himself?                                           (2)  

1.10 What do you think the outcome will be if Bryan does not realise that he is spending too much time playing games?                                           (2)

4.2.3 It was a very sudden decision, but we finally sold the Xbox console yesterday.       These are (0.5)

Is the source-superposition method applicable to power? In other words, if source 1 alone supplies power to a certain device and source 2 alone supplies power to the same device, will the two sources acting simultaneously supply power to the device?