1. State in words the essential current, voltage, and resistance relationships in seires circuits and in parallel circuits. 2. From #1, how can I state those in symbols? 3. Why should the ammeter be placed in seires and the voltmeter parallel to the circuit component being tested? 4. What is the type of connection in the household circuit? Why is this connection more convenient? 5. In some households, the light in the living room can be turned on and off at the two switches located at different places. How do I draw the circuit diagram corresponding to it? 6. What is octopus connection? Why is it dangerous?