W=V2It/1000W=V^2It/1000W=V2It/1000
W=Vt/1000RW=V_t/1000RW=Vt/1000R
W=I2Rt/1000W=I^2Rt/1000W=I2Rt/1000
W=VI/1000W=VI/1000W=VI/1000