Incandescent bulb power calculator

[to-calculator-info][/to-calculator-info]

[calculator]

[calculator-input name=“u” label=“Voltage (or RMS voltage for AC)” unit=“V”][/calculator-input] [calculator-input name=“i” label=“Current” unit=“A”][/calculator-input]

[calculator-expression name=“p” formula=“u*i” unit=“W”]

[calculator-output name=“power” unit=“W”] An incandescent bulb supplied with <%= format(u, “V”) %> at <%= format(i, “A”) %> dissipates <%= format(p, “W”) %> of power [/calculator-output]

[/calculator]

$$P_{\text{bulb}} = U_{\text{bulb}} \cdot I_{\text{bulb}}$$