Answer:
This is an example of demotivation.
Explanation:
The student worked hard every night to deliver the homework on time and completely answered, but when the teacher did not collect the answered homework, the student felt that his effort and time spent to answer it was in vain. This discouraged the student from continuing to answer his homework and for this reason, he stopped responding, since he knows that the teacher will not collect it and will not evaluate the answers he gave.
It is a circle with a ring around it
Your voltmeter and your teacher are both right, but the water analogy of electricity can only go so far. One big drawback is that, unlike with water, there is no absolute voltage. .... Wherever you put the black lead is defined as "0V". .... flowing (i.e. the circuit is broken) you will not get this change in voltage.
I have the first 3 answers for you but I going to try to get the 4 answer for you
1. 39
2. 9
3. 62