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Which of the following is equal to 1 Ohm (If V and A are volt and ampere, respectively)?
1V/2A
1VтЛЕ1A
1V/1A
1A/1V
1V/1A
According to Ohm's Law, the resistance (R) is defined as the ratio of potential difference (V) across a conductor to the current (I) flowing through it. Mathematically, this is expressed as R=IVтАЛ. Therefore, 1┬аOhm(╬й)=1┬аAmpere┬а(A)1┬аVolt┬а(V)тАЛ.
According to Ohm's Law, the resistance (R) is defined as the ratio of potential difference (V) across a conductor to the current (I) flowing through it. Mathematically, this is expressed as R=IVтАЛ. Therefore, 1┬аOhm(╬й)=1┬аAmpere┬а(A)1┬аVolt┬а(V)тАЛ.
Think of electrical resistance like water flowing through a pipe; Voltage is the pressure pushing the water, and Current is the amount of water flowing. If you have 1 unit of pressure pushing 1 unit of water, the 'bottleneck' or resistance you encounter is 1 Ohm.
Remember 'VIR' where V=I├ЧR, so R=IVтАЛ.
R=IVтАЛ тАФ Ohm's Law formula for resistance
1╬й=1┬аA1┬аVтАЛ тАФ Definition of Ohm in base SI units
Ohm's law states that the current flowing through a conductor is directly proportional to the potential difference applied across its ends, provided the temperature remains constant. The constant of proportionality is the resistance of the conductor, which represents the opposition to the flow of electric current. Thus, one Ohm is the resistance of a conductor when a potential difference of one Volt produces a current of one Ampere.
Resistance is the ratio of potential difference to current.
The SI unit of resistance is the Ohm (╬й).
One Ohm is defined as the resistance between two points of a conductor when a constant potential difference of 1 Volt, applied to these points, produces a current of 1 Ampere.
Provides a simple, universal standard for measuring electrical opposition to current.
Circuit design and analysis
Determining component ratings for resistors
Named after the German physicist Georg Simon Ohm.
Option D (1A/1V) is the reciprocal, representing Conductance (G), which is measured in Siemens (S).
C is correct тАФ Resistance is defined as the potential difference divided by the current, so 1╬й=1┬аA1┬аVтАЛ.
Always verify if the question asks for Resistance (V/I) or Conductance (I/V), as they are reciprocals of each other.
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