Physics · 2015
JEE Main · 11 April 2015, Shift 1 · Q18
The value of the resistor, R_S, needed in the dc voltage regulator circuit shown here, equals:
The value of the resistor, $\displaystyle \mathrm{R}_{\mathrm{S}}$, needed in the dc voltage regulator circuit shown here, equals :
Official answer
(3)
$\displaystyle \left(\mathrm{V}_{\mathrm{i}}-\mathrm{V}_{\mathrm{L}}\right) /(\mathrm{n}+1) \mathrm{I}_{\mathrm{L}}$
More from Semiconductor Electronics
- For a common emitter configuration, if α and β have their usual meanings, the incorrect relationship between α and β is:2016
- For the given logic gates combination, the correct truth table will be2023
- The typical output characteristics curve for a transistor working in the common-emitter configuration is shown in the figure. The estimated current…2021
- Refer to the circuit diagram given in the figure. which of the following observations are correct? A. Total resistance of circuit is 6 Ω B. Current…2025
- The current gain of a common emitter amplifier is 69. If the emitter current is 7.0 mA, collector current is:2017
- For the circuit shown below, the current through the Zener diode is:2019
- The logic operations performed by the given digital circuit is equivalent to:2023
- For the following circuit and given inputs A and B, choose the correct option for output ' Y '2023
JEE Main 2015 Physics question, with the answer from NTA’s final answer key. Where our answers come from.