A single-phase, 230 V, 50 Hz ac mains fed step down transformer (4 : 1) is supplying power to a half-wave uncontrolled ac-dc converter used for charging a battery (12 V dc) with the series current limiting resistor being 19.04 &ohm;. The charging current is

A single-phase, 230 V, 50 Hz ac mains fed step down transformer (4 : 1

1.	A single-phase, 230 V, 50 Hz ac mains fed step down transformer (4 : 1) is supplying power to a half-wave uncontrolled ac-dc converter used for charging a battery (12 V dc) with the series current limiting resistor being 19.04 &ohm;. The charging current is
A.	2.43 A
B.	1.65 A
C.	1.22 A
D.	1.0 A
Answer» B. 1.65 A

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A single-phase, 230 V, 50 Hz ac mains fed step down transformer (4 : 1) is supplying power to a half-wave uncontrolled ac-dc converter used for charging a battery (12 V dc) with the series current limiting resistor being 19.04 &ohm;. The charging current is

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