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| The earliest ideas of charge were the result of experiments by who? |
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| Common units of electrical force are |
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| Lightning is formed when clouds are charges _________________ |
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| An insulator is a material that: |
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| Has essentially no free electrons |
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| Charges may be transferred by |
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| True or False. An instrument used to measure charge is called an electroscope |
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| A ________ provides a steady flow of charge to the load connected to its terminals |
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| In 1787, _______ discovered a relationship between charge, their separation, and their force |
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| Coulomb's law indicates the like charges _________ and opposite charges ___________ |
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| Coulomb's law indicates that force between 2 charges _______ when as their separation decreases |
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| Result of excess of electrons |
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| Negative charge is the result of |
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| Abundance of free elctrons |
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| Object with few free electrons |
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| The field strength around a charged object is the direction of the force acting on a __________ |
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| Unit positive test charge |
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| Force between 2 point charges is described by ___________ law |
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| Differences in _______ between clouds and earth frequently gives rise to lightning |
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| Early experiments with static electricity were done by who |
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| Force between objects _______ when their separation ______ |
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| What are the characteristics of a good conductor? |
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| Outer electrons of elements are able to migrate readily and are loose |
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| If distance between 2 charged plates is increased, the field strength between the plates _______ |
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| Field vector is the direction of the force on a _____________ charge |
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| Device that stores electric energy is a : |
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| Flow of electrical field is called current. True or False |
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| The Unit of current is the : |
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| The fact that electrical current return to the source of the current is the law of: |
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| True or False. Mass is equal to charge |
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| Newton's law of gravitational attraction has the same form as Coulomb's law. True or False |
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| Potenitals and electric fields both result from electrical charges. True or False |
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| Both field and the potential between 2 charged parallel plates are due to charges on the plates. True or False |
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| True or False. Charge on a capacitor can be discharged by connecting the plates with an insulator. |
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