cse • paper_2 • solid_state_electronics
[UPSC CSE 1989] Semiconductors/Solar cell (Q291, 30M)
What is a Zener diode? Explain what function it performs in the circuit given below as the load resistance R_L is varied. What is the purpose of introducing resistor R_2 in the circuit? (V_s and R_s represent source voltage and resistance, respectively).
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