Question

please answer this question ​

Answer 1

Ohm’s formula:

E = I X R

E = (0.5) X (100) = 50 volts

Note that the resistance of a incandescent light bulb varies greatly from when it is unlit to lit. The current also varies proportionately.

Answer 2

Hola!

As we know

V= IR

V = 5*40

= 200 V

$\mathfrak{Answer}{200V}$