The equivalent circuit of a tunnel diode shown below has the total input impedancei) \(\left[ {{R_s} + \frac{{ - R}}{{1 + {{\left( {\omega R{C_j}} \right)}^2}}}} \right] + j\left[ {\omega {L_s} + \frac{{ - \omega {C_j}{R^2}}}{{1 + {{\left( {\omega R{C_j}} \right)}^2}}}} \right]\)ii) Rs + ωRCjiii) \(\left[ {{R_s} + \frac{{ - R}}{{\left( {1 + \omega R{C_j}} \right)}}} \right] + \left[ {\omega {L_s} + \frac{{\omega {C_j}{R^2}}}{{1 - {{\left( {\omega R{C_j}} \right)}^2}}}} \right]\)iv) \(\omega {L_s} + \frac{{\omega {C_j}{R^2}}}{{1 + {{\left( {\omega R{C_j}} \right)}^2}}}\)Code:

• A. (i) and (iii) are correct
• B. (i) is correct, but (iii) is wrong
• C. (ii) is correct, but (i) is wrong
• D. (iii) is correct, but (iv) is wrong