Question

An electrical iron carrying 2 A at 120 V .find the resistance of the device?​

Answer 1

Answer:

60ohm

so I=2A

V=120V

put this in formula

R=V/I

R=120/2

60ohm

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Answer 2

Answer:

The resistance of the device is 60 ohm

Explanation:

Provided that:

Voltage (V) = 120 V

Current (I) = 2 A

This is DC current that is carried by electrical iron.

So let the Resistance of the device= R ohm

We know;

$voltage = current \times resistance \\ v = i.r$

So we get;

$r = \frac{v}{i} \\ r = \frac{120}{2 \\ } \: ohm \\ r = 60 \: ohm$

So the electrical iron has 60 ohm resistance.