Calculate the resistance of an electric bulb which allows a 10 a current when connected to a 220 v power source

Resistance can be calculated by Ohm's law

As per ohm's law we will have

here we will have

voltage = 220 volts

current = 10 A

So by the above formula we will have

So resistance of the bulb is 22 ohm.

find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2

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