Basic electricity TPC UPDATED ACTUAL Questions and CORRECT Answers
1. two Objects having the same charge will repel
eachother
2. What is the name for electricity in motion Current Electricity
3. Anything that has mass and occupies space is called Matter
4. Each molecule of a compound consists of the same atoms
number and kind of
5. Most of the mass of an atom is concentrated in
the Nucleus
6. When the number of protons in the nucleus equals the neutral
number of orbiting electrons, the atom is electrically
7. The strongest forces for objects of the same size and electrical
separated by the same distance are
8. Electrons flowing from one place to another make a current
9. two or more cells connected together make a combi- battery
nation called
10. When working in an area filled with flammable liquids leather soles
and vapors, you must wear shoes with
11. Bonding minimizes the potential difference between two objects
12. a grounding wire should be ________________________at least AWG No. 8
,13. electrically charged atoms are called ions
14. to guard against spark ignition in a tank, you should ground it and purge it
15. the kind and amount of charge generated when re- humidity
moving dust dies not depend on the
16. if you use conductive dressing on a belt, you must
apply it frequently
17. to prevent damage to a bearing by static discharges,
you can bond the shaft to the bearing by means of a metal or carbon brush
18. when using static electricity in spray painting what either positive or negative
kind of charge is given to the object being painted
19. the most sensitive instrument for measuring static electrostatic amplifier
electricity is the
20. The basic device for making electricity by chemical
action is the cell
21. The positive plate in a cell is called the anode
22. four 1.5V cells can be connected to produce a poten- 6.0
tial difference of V
23. In the cells of an automotive battery, the electrolyte is sulfuric acid
24. series
, if the positive electrode of one cell is connected to the
negative electrode of the next, the cells are connected
in
25. You must be careful when recharging a lead-acid bat- overheat and melt down
tery, because it can do any of the following except
26. Motors and generators take advantage of the close electricity and magnetism
relationship between
27. A voltmeter connected to a thermopile is usually cali-
brated in degrees
28. Photovoltaic, photoconductive, and photoemission
devices are types of photoelectric devices
29. Devices that must operate at very precisely controlled quartz
frequencies have crystals made of
30. a bar shaped magnet generally produces its strongest both poles
effect at
31. two like magnetic poles always each other repel
32. the earth's gravitational field pulls you down because mass
you have
33. a magnetic field acts on other object because the ob- magnetic properties
jects have
34. a moving charge creates a magnetic field, the strength speed and strength of the
of the field depends on charge
, 35. in both left hand rules, your left thumb points in the in which the negative
direction charges move
36. a coil that carries an electric current is called electromagnet
37. one advantage of a lifting magnet is that it can lift odd- shaped pieces
38. a magnetic chuck is an electromagnet
39. pieces of iron and steel can be removed from other magnetic pulley
materials on a belt by means of a
40. free electrons can move easily in conductors
41. a rate of 1 coulomb per second is called ampere
42. for most conductors, increasing the temperature in- resistance
creases
43. the difference in potential energy per unit of charge is potential ditterence
called
44. to maintain a current between two points, you must potential ditterence
maintain
45. resistance is measured in ohms
46. if a path has two resistors, one with 20 ohms and the 30 V
other 30 ohms, and a potential difference of 50 V is
applied across the whole path, what is the voltage
drop across the 30-ohm resistor?
47. the simplest kind of electrical meter to read is the
digital
meter
1. two Objects having the same charge will repel
eachother
2. What is the name for electricity in motion Current Electricity
3. Anything that has mass and occupies space is called Matter
4. Each molecule of a compound consists of the same atoms
number and kind of
5. Most of the mass of an atom is concentrated in
the Nucleus
6. When the number of protons in the nucleus equals the neutral
number of orbiting electrons, the atom is electrically
7. The strongest forces for objects of the same size and electrical
separated by the same distance are
8. Electrons flowing from one place to another make a current
9. two or more cells connected together make a combi- battery
nation called
10. When working in an area filled with flammable liquids leather soles
and vapors, you must wear shoes with
11. Bonding minimizes the potential difference between two objects
12. a grounding wire should be ________________________at least AWG No. 8
,13. electrically charged atoms are called ions
14. to guard against spark ignition in a tank, you should ground it and purge it
15. the kind and amount of charge generated when re- humidity
moving dust dies not depend on the
16. if you use conductive dressing on a belt, you must
apply it frequently
17. to prevent damage to a bearing by static discharges,
you can bond the shaft to the bearing by means of a metal or carbon brush
18. when using static electricity in spray painting what either positive or negative
kind of charge is given to the object being painted
19. the most sensitive instrument for measuring static electrostatic amplifier
electricity is the
20. The basic device for making electricity by chemical
action is the cell
21. The positive plate in a cell is called the anode
22. four 1.5V cells can be connected to produce a poten- 6.0
tial difference of V
23. In the cells of an automotive battery, the electrolyte is sulfuric acid
24. series
, if the positive electrode of one cell is connected to the
negative electrode of the next, the cells are connected
in
25. You must be careful when recharging a lead-acid bat- overheat and melt down
tery, because it can do any of the following except
26. Motors and generators take advantage of the close electricity and magnetism
relationship between
27. A voltmeter connected to a thermopile is usually cali-
brated in degrees
28. Photovoltaic, photoconductive, and photoemission
devices are types of photoelectric devices
29. Devices that must operate at very precisely controlled quartz
frequencies have crystals made of
30. a bar shaped magnet generally produces its strongest both poles
effect at
31. two like magnetic poles always each other repel
32. the earth's gravitational field pulls you down because mass
you have
33. a magnetic field acts on other object because the ob- magnetic properties
jects have
34. a moving charge creates a magnetic field, the strength speed and strength of the
of the field depends on charge
, 35. in both left hand rules, your left thumb points in the in which the negative
direction charges move
36. a coil that carries an electric current is called electromagnet
37. one advantage of a lifting magnet is that it can lift odd- shaped pieces
38. a magnetic chuck is an electromagnet
39. pieces of iron and steel can be removed from other magnetic pulley
materials on a belt by means of a
40. free electrons can move easily in conductors
41. a rate of 1 coulomb per second is called ampere
42. for most conductors, increasing the temperature in- resistance
creases
43. the difference in potential energy per unit of charge is potential ditterence
called
44. to maintain a current between two points, you must potential ditterence
maintain
45. resistance is measured in ohms
46. if a path has two resistors, one with 20 ohms and the 30 V
other 30 ohms, and a potential difference of 50 V is
applied across the whole path, what is the voltage
drop across the 30-ohm resistor?
47. the simplest kind of electrical meter to read is the
digital
meter
