74. What subatomic particle has a negative charge and a small mass? a. Proton b. Electron c. Positron d. Neutron 75. What subatomic particle has a positive charge and a large mass? a. Proton b. Electron c. Positron d. Neutron 76. What subatomic particle has no charge? a. Proton b. Electron c. Positron d. Neutron 77. When an atom gains or losses an electron, which of the following terms applies? a. Unbalanced b. Balanced c. Neutral d. Ionized 78. What is the main difference between conductors, semiconductors, and insulators? a. The temperature differences b. The physical state of their mass c. The number of free electrons d. The designations of the outer shells 79. A substance with an excess of electrons is considered to be in what electrical state? a. Neutral b. Positive c. Negative d. Discharged 80. An atom that contains 6 protons and 5 electrons has what electrical charge? a. Positive b. Negative c. Neutral d. Intermediate 81. Which of the following terms is equal to 2.1 kV? а. 210 V b. 2100 V c. 21,000 V d. 2.1 x 106 V 82. 250 µV is equal to which of the following terms? a. 0.25 mv b. 0.00025 V с. 250 х 106 V d. All of the above

74. What subatomic particle has a negative charge and a small mass? a. Proton b. Electron c. Positron d. Neutron 75. What subatomic particle has a positive charge and a large mass? a. Proton b. Electron c. Positron d. Neutron 76. What subatomic particle has no charge? a. Proton b. Electron c. Positron d. Neutron 77. When an atom gains or losses an electron, which of the following terms applies? a. Unbalanced b. Balanced c. Neutral d. Ionized 78. What is the main difference between conductors, semiconductors, and insulators? a. The temperature differences b. The physical state of their mass c. The number of free electrons d. The designations of the outer shells 79. A substance with an excess of electrons is considered to be in what electrical state? a. Neutral b. Positive c. Negative d. Discharged 80. An atom that contains 6 protons and 5 electrons has what electrical charge? a. Positive b. Negative c. Neutral d. Intermediate 81. Which of the following terms is equal to 2.1 kV? а. 210 V b. 2100 V c. 21,000 V d. 2.1 x 106 V 82. 250 µV is equal to which of the following terms? a. 0.25 mv b. 0.00025 V с. 250 х 106 V d. All of the above

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter12: Electronic Control Devices

Section: Chapter Questions

Problem 14RQ

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