Question

Consider the following circuit:

The potential drop across the 20 kΩ resistor would be:

विकल्प

• 4V

• 3V 

• 5V

• 2V

Answer 1

4V

Explanation:

In absence of zenel diode.

V₂₀ = `20/(20+30)xx10`

= 4v

Since V₂₀ < V_t , V_out = 4v.