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2 An ampere also can be regarded as A. an ohm per volt B. an ohm per walt C. a volt per ohm D. a volt-ohm a watt per ohm

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2 An ampere also can be regarded as
A. an ohm per volt
B. an ohm per walt
C. a volt per ohm
D. a volt-ohm
a watt per ohm

2 An ampere also can be regarded as A. an ohm per volt B. an ohm per walt C. a volt per ohm D. a volt-ohm a watt per ohm

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LexiElite · Tutor for 8 years

Answer

'C'

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## Step 1<br />An ampere is a unit of electric current, which is one of the fundamental units in the International System of Units (SI). The options offered in the question are more apt to describe other units like resistance(ohm), voltage(volt), and power(watt). None describes the unit of current accurately.<br /><br />## Step 2<br />An ampere cannot be regarded as an ohm per volt. This essentially describes the unit of resistance (ohm), which is derived from Ohm's law where resistance is voltage divided by current.<br /><br />## Step 3<br />An ampere cannot be seen as an ohm per watt. This suggests resistance per power, but it wouldn't match with any known physical phenomena or units in electric circuits.<br /><br />## Step 4<br />A volt per ohm is not equivalent to an ampere, too. It actually represents the basic expression of electric current, and it is precisely named as an ampere. According to Ohm's law, current \(I = \frac{voltage}{resistance}\). Once substituted, volt per ohm directly gives amperes.<br /><br />## Step 5<br />Option D is meaningless because a volt ohm does not denote any standard unit or property in Physics.<br /><br />## Step 6<br />A watt per ohm actually can be looked upon as 'volt', per unit of power divided by the unit of resistance (Power= voltage^2/resistance).<br /><br />Hence, the only option conforming to Ohm's law and representing an equivalent description of Ampère is C: volt per ohm.
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