The characteristic of UJT shown in Figure exhibits η = 0.5, V_V = 1 V, I_V = 10 mA, I_P = 20 µA and V_P = 14 V. The value of R₁ that will ensure proper turn on and turn off must be

A. Two pn junctions B. One pn junction C. Three pn junctions D. None of the above

A. Am amplifier B. A sawtooth generator C. A rectifier D. None of the above

A. Four B. Two C. Three D. None of the above

A. Two B. Three C. Four D. None of the above