Question

In the circuit, if the forward voltage drop for the diode is 0.5V, the current will be –

• A. 3.4 mA
• B. 2 mA
• C. 2.5 mA
• D. 3 mA

Answer 1

Answer: (A)

3.4 mA

Answer 2

I=$\frac{V_{net}}{R_{net}}$=$\frac{8–0.5}{2.2 \times 10^{–3}}$Amp. =$\frac{7.5}{2.2}$mA=3.4 Ma