engineering recuitment GATE EE 2023-24 Test Series Power Electronics and Drives Thyristors Firing Circuits For Thyristors
The UJT has the following parameters.
η = 0.63, VBB = 20 V, Vp = 13.2 V, Ip = 50 μA
Vv = 2 V, Iv = 6 mA, RBB = 7 kΩ, and
Leakage current = 2.5 mA, c = 0.1 μF
Which of the following is/are true?
1
Rmax = 100 kΩ
2
Rmin = 3 kΩ
3
R1 = 280 Ω
4
R2 = 1.5 kΩ