4.8 An ideal chopper is operating at a frequency of 500 Hz from a 60 V battery input. It is supplying a load having 3 2 resistance and 9 mH inductance. Assuming the load is shunted by a perfect commutating diode and assuming battery is loss less, what is the mean load current at an on/off ratio of 1/1? (a) 10 A (b) 15 A (c) 20 A d.c.(1-K)

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S
4.8 An ideal chopper is operating at a frequency of
500 Hz from a 60 V battery input. It is supplying
a load having 3
resistance and 9 mH
inductance. Assuming the load is shunted by a
perfect commutating diode and assuming battery
is loss less, what is the mean load current at an
on/off ratio of 1/1?
(a) 10 A
(c) 20 A
d.c.(1-K)
(b) 15 A
(d) None of these
load and
operates a
changing
through the
content of
needed wil
(a) Increas
duty cyc
(b) Increase
cycle in
(c) Decros
Transcribed Image Text:d S 4.8 An ideal chopper is operating at a frequency of 500 Hz from a 60 V battery input. It is supplying a load having 3 resistance and 9 mH inductance. Assuming the load is shunted by a perfect commutating diode and assuming battery is loss less, what is the mean load current at an on/off ratio of 1/1? (a) 10 A (c) 20 A d.c.(1-K) (b) 15 A (d) None of these load and operates a changing through the content of needed wil (a) Increas duty cyc (b) Increase cycle in (c) Decros
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