Question
A 9 volt stabilized voltage supply is required to run a car stereo system from the car's 12 volt battery. A Zener diode with v_Z = 9v and P_(max) = 0.27 W is used as voltage regulator. If the load resistance is 450 Omega, the diode current is :
Asked in HTET PGT Physics · 2025
Semiconductor Diode · Physics
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Electrical power is P = VI; for a resistor it is also I²R or V²/R.
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Questions Asked from Semiconductor Devices & Applications in Previous Exams
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Semiconductor Devices & Applications has appeared in 42 previous-year exam questions, most frequently in UPSC, State PSC and SSC.
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