Question

1. How much current flows in an electric iron having a resistance of 20 when connected
across 220-V line?
Solution here:​

Answer 1

Answer:

Your answer is

Step-by-step explanation:

We know that

V=IR

220 = I×20

I = 220÷20

I = 11A

Answer 2

The current flowing through electric iron is 11A.

We have to find the amount of current flows in an electric iron having a resistance of 20Ω when connected across 220V line.

Concepts :

• Potential difference : The difference in potential is defined as the amount of work done or energy released to the transfer of one unit electricity from one point to another.
• Resistance : It is the opposition to flow the current in a wire.
• Current : It is the amount of charge flows per unit time.
• Ohm's Law : V = IR, where V is potential difference, I is current and R is resistance.

Here, V = 220 volts, R = 20Ω

∴ I = V/R = 220/20 = 11A

Therefore the current flowing through the electric iron is 11A.

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