Which of the following is an example of a question you should ask yourself to find the main idea of a story? 1) What other books did this author write?
2) Why do I think this story is so boring?
3) How does the author want me to feel?
4) Who else has read this book and enjoyed it?

i think the answer is restaurants offering only dinner

well i need the text ?   *   *   /

misty passage from the question

the direction of the magnetic field produced by an electric current will change when the direction of the electric current changes. for example : if a current is flowing in a straight length of wire, the magnetic field is described by a concentric circle (using right-hand rule).