An ohm is defined as one volt per ampere. A farad, the unit for capacitance, is a coulomb per volt. Identify the unit of an ohm times farad.

Voltage

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Resistance

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Energy

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Time

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Charge

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Solution

The correct option is D Time
Ohm times farad $= \frac{v o l t}{A m p e r e} \times \frac{c o u l o m b}{v o l t} = \frac{c o u l o m b}{A m p e r e} = T i m e$
Thus Ohm times farad has the unit of time.

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An ohm is defined as one volt per ampere. A farad, the unit for capacitance, is a coulomb per volt. Identify the unit of an ohm times farad.

The correct option is D TimeOhm times farad =voltAmpere×coulombvolt=coulombAmpere=TimeThus Ohm times farad has the unit of time.

The correct option is D Time
Ohm times farad $= \frac{v o l t}{A m p e r e} \times \frac{c o u l o m b}{v o l t} = \frac{c o u l o m b}{A m p e r e} = T i m e$
Thus Ohm times farad has the unit of time.