(a) Assume
P = 100 W
V = 220 V is the voltage.
We are aware of this.
P = V2 / R = Power
R = (220)2 / 100
484 ohm
(b) The current that may be safely carried through it is
P / V = I
I = 220 / 100
0.45 A = I
(a) Assume
P = 100 W
V = 220 V is the voltage.
We are aware of this.
P = V2 / R = Power
R = (220)2 / 100
484 ohm
(b) The current that may be safely carried through it is
P / V = I
I = 220 / 100
0.45 A = I