Physics Review Question

Unit: Electricity and Magnetism
Year: 1994 Question#: 27
Question: The units "volts per meter" measures the same quantity as

(1 ) joules per volt
(2 ) newtons per ampere-meter
(3 ) newton-meters2 per coulomb2
(4 ) newtons per coulomb

What is this question really asking?




Explanation by: Zac D 

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Answer 1
joules per volt

INCORRECT

Volts per meter equals (newton-meters per coulomb)per meter, which equals newtons-coulomb, not joules per volt. return to top























Answer 2
newtons per ampere-meter

INCORRECT

Volts per meter equals (newton-meters per coulomb) per meter which equals newtons per coulomb, not newtons per ampere-meter. return to top












Answer 3
newton-meters(squared) per coulomb(squared)

INCORRECT

Volts per meter equals (newton-meters per coulomb) per meter which equals newtons per coulomb, not newton-meters squared per coulomb squared. return to top

















Answer 4
newtons per coulomb

CORRECT

Volts per meter equals (newton-meters per coulomb) per meter which equals newtons per meter. return to top

What's this question really asking?

What units are volts comprised of? return to top

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