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zepelin [54]
4 years ago
10

The current flowing through a lamp is 1.5 A. It is plugged into a 120-V outlet. What is the resistance of the lamp

Physics
2 answers:
Lady bird [3.3K]4 years ago
6 0

Resistance =  (voltage) / (current) =

                       (120 V) / (1.5 A)  =  <em>80 ohms .</em>


Irina18 [472]4 years ago
3 0

Explanation:

According to ohm's law, current flowing through a conductor is directly proportional to the voltage over resistance.

Mathematically,       I = \frac{V}{R}

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 = \frac{V}{R}

or,                         R = \frac{V}{I}

                                = \frac{120 V}{1.5 A}

                                = 80 volts per ampere

                               = 80 ohms

Hence, resistance of the lamp is 80 ohms.

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