Analog Circuits Test 7

Result

Analog Circuits Test 7

Score
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Rank
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Question 1
1 / -0

A dc voltage of 380 V with a peak ripple voltage not exceeding 7 V is required to supply a 500 Ω load. Find out the inductance required.

A
10.8 henry

B
30.7 henry

C
28.8 henry

D
15.4 henry

Solution

We know that ripple factor
\(r = \frac{{{R_L}}}{{3\sqrt 2 {\omega _0}L}}\)
Where r = RMS value of AC component/DC component
RMS value of AC component = 7/1.414 = 4.95
\(\frac{{4.95}}{{380}} = \frac{{500}}{{3\sqrt 2 \times 2 \times 3.14 \times 50 \times L}}\)
L = 28.8 H