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Physics Question on Electric Field

The following circuit contains diodes with forward bias having resistance 25Ω25Ω, and reverse bias having infinite resistance. The ratio of I1I2\frac{I_{1}}{I_{2}} is equal to

A

1

B

2

C

3

D

4

Answer

2

Explanation

Solution

The correct option is (B): 2

I2=I4

I3=0

and I2+I4+I3=I1

⇒I2=I12\Rightarrow I_2=\frac{I_1}{2}