Question

power of a 200 volt eletrical device is 500 watt.calculate the eletric current through the device? ​

Answer 1

Answer:

2.5 A

Step-by-step explanation:

Since we know - R= V^2/P

therefore (200)^2/500 = 20 ohms

also V=IR (ohms law)

200=I*80

I=200/80 = 2.5A