Question

what current flows through a hair dryer plugged into a 110 volt circuiit if it has a resistance of 25 ohms?

Answer 1

Given :

A hair dryer plugged into a 110 volt circuit and it has a resistance of 25 Ohms

To Find :

Current flows through the hair dryer

Solution :

Potential difference across the circuit , V = 110 V

Resistance of the hair dryer , R = 25 Ω

Current flows through the hair dryer , I = ? A

We know that , " Potential difference across the circuit is directly proportional to the current flowing through it "

➠ V ∝ I

➠ V = IR

➠ 110 = I (25)

➠ I = 4.4 A  $\pink{\bigstar}$

Current flows through the circuit is 4.4 A .

Answer 2

Answer:

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