202 Batteries and DC Circuits Exam with verified detailed answers
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Secondary cells are - ✔✔rechargeable || || || ||
A cell condition called polarization causes a battery's - ✔✔chemical reaction to slow down
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An element's atomic number equals the number of - ✔✔protons in the nucleus of the atom
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The specific gravity of a material is its density compared to the - ✔✔density of water
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The life of a cell or battery is usually measured in - ✔✔ampere-hours
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A(n) ___________ is an atom or a group of atoms that has an electrical charge. - ✔✔ion
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The capacity of a lead-acid battery is determined in part by the - ✔✔number of plates
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Every molecule of water in a battery is composed of two atoms of ____________ and one
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atom of ____________. - ✔✔H; O
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The complete assembly of positive and negative plates and separators in a battery is called
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a(n) - ✔✔element || ||
The larger the volume of a dry cell, the longer its life for a given load. Which of the following
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1.5 V dry cells has the longest life? - ✔✔No. 6
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To obtain 6 V from a combination of dry cells, you need _________ cells connected in
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_________. - ✔✔four; series || || ||
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Secondary cells are - ✔✔rechargeable || || || ||
A cell condition called polarization causes a battery's - ✔✔chemical reaction to slow down
|| || || || || || || || || || || || ||
An element's atomic number equals the number of - ✔✔protons in the nucleus of the atom
|| || || || || || || || || || || || || || ||
The specific gravity of a material is its density compared to the - ✔✔density of water
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The life of a cell or battery is usually measured in - ✔✔ampere-hours
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A(n) ___________ is an atom or a group of atoms that has an electrical charge. - ✔✔ion
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The capacity of a lead-acid battery is determined in part by the - ✔✔number of plates
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Every molecule of water in a battery is composed of two atoms of ____________ and one
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atom of ____________. - ✔✔H; O
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The complete assembly of positive and negative plates and separators in a battery is called
|| || || || || || || || || || || || || || ||
a(n) - ✔✔element || ||
The larger the volume of a dry cell, the longer its life for a given load. Which of the following
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1.5 V dry cells has the longest life? - ✔✔No. 6
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To obtain 6 V from a combination of dry cells, you need _________ cells connected in
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_________. - ✔✔four; series || || ||
