Answer the questions that follow. You have 20 minutes to complete the quiz
Answer the questions that follow. You have 20 minutes to complete the quiz
The motion of an electron in an atom creates an electric current
In two separate experiments, a magnet is brought near an unmagnetized iron bar. This causes the bar to become magnetized
Which magnetic poles are induced at X and at Y?
Which statement describes a property of a magnet?
Which of the following is true when drawing magnetic field lines?
How many protons are needed to make 1 nC of charge? Give your answer in Coulombs.
The charge of an electron is -1,6 x10-19 C
In a physics lab, you charge up three metal spheres, two with +3nC and one with −4nC. When you bring all three spheres together so that they all touch one another, what is the total charge on the three spheres?
Consider the triboelectric series given below:
Pick the correct statement describing what will happen when a glass rod is rubbed against silk
A polarized material must have a zero net electric charge.
Two charged pith balls on isolated strings are brought into contact with each other. Initially ball one had a charge of +11nC and ball two has a charge of +7nC. Calculate the number of electrons transferred from one ball to the next. The charge of an electron is -1,6 x10-19 C
Match the definitions to the correct terms.
| Stavka koja se može prevući | arrow_right_alt | Odgovarajuća stavka |
|---|---|---|
When an electric field distorts the negative cloud of electrons around positive atomic nuclei in a direction opposite to the field | arrow_right_alt | conduction |
The process of removing the excess charge on an object by means of the transfer of electrons between it and another object of substantial size | arrow_right_alt | induction |
The neutral body is charged without any direct contact between the neutral body and the charged body. | arrow_right_alt | polarization |
The neutral body is charged by a charged body through direct contact. | arrow_right_alt | grounding |