What is the hysterisis voltage of the submitt trigger shown

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What is the hysterisis voltage of the submitt trigger shown if V_sat = ± 10V ?

1. 1.90 volts
2. 1.45 volts
3. 1.00 volt
4. 0.90 volt

Correct Option: C

Hysterisis voltage,

V_H =	2 R₂ V₀	=	2 × 5 × 10	= 1 volt
	R₁ + R₂		100