Question

relationship between h, i, r and T (joule's law of heating)

Answer 1

According to joules law of heating

H=I^2RT

it is the rquired relation

@skb

Answer 2

Joule’s Law states that H (Heat) = I (Current) x V (Voltage) x T (Time the current is allowed to flow).

Or, written differently,

H (Heat) = I2 (Current squared) x R (Resistance) x T (Time the current is allowed to flow).

Note: V (Voltage) = I (Current) x R (Resistance), so the two equations are the same, just stated differently. The second version of this law is probably more common in the field.

Joule’s Law is an equation that gives the amount of heat (energy) delivered to something