Which one of the following represents correct formula for electrical energy?

H = $\frac{I ² R}{V}$

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H = I²Rt

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H = V²Rt

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H = $\frac{I ²}{R t}$

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Solution

The correct option is B
H = I²Rt

Electrical energy in terms of power and time is given by,

H = P $\times$ t

Since, P = I²R

H = (I²R)t

i.e. H = I²Rt (Answer)

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Which one of the following represents correct formula for electrical energy?

The correct option is B H = I²Rt Electrical energy in terms of power and time is given by, H = P × t Since, P = I²R H = (I²R)t i.e. H = I²Rt (Answer)

The correct option is B
H = I²Rt

Electrical energy in terms of power and time is given by,

H = P $\times$ t

Since, P = I²R

H = (I²R)t

i.e. H = I²Rt (Answer)