Question

Assuming that the two diodes D1 and D2 used in the electric circuit shown in the figure are ideal, find out the value of current flowing through 1 ohm resistor

Answer 1

Answer:

but where is a figure I don't remember

Answer 2

Given that,

The two diodes D₁ and D₂ used in the electric circuit shown in the figure are ideal.

According to figure,

In the figure, D₂ is reverse biased so the current does not flow in $R_{2}$

The resistance R₁ and R₃ in series

So, the total resistance is

$R=R_{1}+R_{2}$

Put the value into the formula

$R=3+1$

$R=4\ \Omega$

We need to calculate the current flowing through 1 ohm resistor

Using ohm's law

$I=\dfrac{V}{R}$

Put the value into the formula

$I=\dfrac{10}{4}$

$I= 2.5\ A$

Hence, The current flowing through 1 ohm resistor is 2.5 A.

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Topic : ohm's law

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