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In the circuit shown in the figure given below, the switch is operated at a duty cycle of 0.5. A large capacitor is connected across the load. The inductor current is assumed to be continuous.
The average voltage across the load and the average current through the diode will respectively be
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- 10 V, 2 A
- 10 V, 8 A
- 40 V, 2 A
- 40 V, 8 A
Correct Option: A
The current given is a step-up circuit and output voltage is given as,
| Vo = | = | = 40 Volts | ||
| 1 - α | 1 - 0.5 |
and, average current through the diode
= IL (1 – α) = 4 × (1 – 0.5) = 2 A
