Specific latent heat of ice by electrical method is given by the formula if $P =$ Power, $m$ = mass and $t$ =time

P t m

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P t / m

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P m / t

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P / m t

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Solution

The correct option is B $P t / m$
Electrical method in which heat energy is supplied for an electric heater of known power $P$ for a known period of time $t$ to melt an ice of mass $m$ at $0^{\circ} C$ . Specific latent heat of ice by electrical method is given by the formula Pt/m where, $P$ = power, $t$ = time and $m$ = mass of ice.

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Specific latent heat of ice by electrical method is given by the formula if P= Power, m= mass and t=time

Specific latent heat of ice by electrical method is given by the formula if $P =$ Power, $m$ = mass and $t$ =time