For the following questions answer them individually
If 750 $$\mu$$ A is flowing through 11 kΩ of resistance, what isthe voltage drop across the resistor ?
A 200 V lamp takes a current of 1 A, it produces a total flux of 2,860 lumens. The efficiency of the lamp is
An electric heater draws 3.5 A from a 110 V source. The resistance of the heating element is approximately