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Assignment 1Q

This document is an assignment for EEEG 211 with a deadline of April 12, 2024. It includes various questions related to electrical circuits, including calculations for output voltage, current through diodes, and efficiency of rectifiers. Additionally, it covers the working principles of different types of diodes and rectifiers.

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akitsuakan3
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11 views2 pages

Assignment 1Q

This document is an assignment for EEEG 211 with a deadline of April 12, 2024. It includes various questions related to electrical circuits, including calculations for output voltage, current through diodes, and efficiency of rectifiers. Additionally, it covers the working principles of different types of diodes and rectifiers.

Uploaded by

akitsuakan3
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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EEEG 211

ASSIGNMENT I

Deadline: April 12, 2024, 4:00 PM

Q1. For the circuit shown in Fig.1 (i), find : (i) the output voltage (ii) the voltage drop across
series resistance (iii) the current through zener diode.

Fig.1

Q2. Determine the current I in the circuit shown in Fig. 4 (i). Assume the diodes to
be of silicon and forward resistance of diodes to be zero.

Q3. An a.c. supply of 230 V is applied to a half-wave rectifier circuit through a


transformer of turn ratio 10 : 1. Find (i) the output d.c. voltage and (ii) the peak inverse voltage.
Assume the diode to be ideal.
Q4. A crystal diode having internal resistance rf = 20Ω is used for half-wave rectification. If
the applied voltage v = 50 sin ω t and load resistance RL= 800 Ω, find :
(i) Im, Idc, Irms (ii) a.c. power input and d.c. power output (iii) d.c. output voltage (iv)
efficiency of rectification.

Q5. A full-wave rectifier uses two diodes, the internal resistance of each diode may
be assumed constant at 20 Ω. The transformer r.m.s. secondary voltage from centre tap to each
end of secondary is 50 V and load resistance is 980 Ω. Find : (i) the mean load current (ii) the
r.m.s. value of load current.
Q6. Derive relation for calculating efficiency of half wave rectifier using diode.
Q7. Explain working of full wave center tapped and bridge rectifier. (In detail)
Q8. Explain working of Zener Diode as voltage regulator with its characteristics.
Q9. Explain types of semiconductors.
Q10. Briefly with symbol write on LED, Schottky diode and Photodiode with their respective
application.
Q11. Explain VI characteristics of PN junction diode.
Q12. Explain load line analysis for diode.

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