austingreen austingreen

14-02-2018
Mathematics

contestada

The formula for voltage (in volts) is given by V = IR, where I is the current in amperes, and R is the resistance in ohms.
If a light bulb uses 0.4 amperes of current at a voltage of 1.8 volts, the formula to find R is , and the resistance of the bulb is ohms.

Respuesta :

sqdancefan sqdancefan

16-02-2018

R = V/I
R = 1.8/0.4 = 4.5 . . . ohms

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