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Sagot :
Explanation:
According to ohm's law, current flowing through a conductor is directly proportional to the voltage over resistance.
Mathematically, I = [tex]\frac{V}{R}[/tex]
where, I = current
V = voltage
R = resistance
It is given that value of voltage is 120 V and current is 1.5 ampere. Therefore, calculate the resistance as follows.
I = [tex]\frac{V}{R}[/tex]
or, R = [tex]\frac{V}{I}[/tex]
= [tex]\frac{120 V}{1.5 A}[/tex]
= 80 volts per ampere
= 80 ohms
Hence, resistance of the lamp is 80 ohms.
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