220 V is supplied to 800 primary turns of an autotransformer. What will the outputvoltage be across 200 secondary turns? 2. A filament transformer has a turns ratio of 1:20. What current must be supplied to theprimary windings if 5 A is required by the filament? 3. The filament transformer in the previous question is supplied with 150 V to theprimary side. What is the secondary voltage? 4. 440 V is supplied to 1000 primary turns of an autotransformer. If the desired outputvoltage is 100 V how many secondary turns must be tapped?
220 V is supplied to 800 primary turns of an autotransformer. What will the outputvoltage be across 200 secondary turns? 2. A filament transformer has a turns ratio of 1:20. What current must be supplied to theprimary windings if 5 A is required by the filament? 3. The filament transformer in the previous question is supplied with 150 V to theprimary side. What is the secondary voltage? 4. 440 V is supplied to 1000 primary turns of an autotransformer. If the desired outputvoltage is 100 V how many secondary turns must be tapped?
Chapter15: Alternating-current Circuits
Section: Chapter Questions
Problem 15.9CYU: Check Your Understanding A transformer steps the line voltage down from 110 to 9.0 V so that a...
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Question
220 V is supplied to 800 primary turns of an autotransformer. What will the output
voltage be across 200 secondary turns?
2. A filament transformer has a turns ratio of 1:20. What current must be supplied to the
primary windings if 5 A is required by the filament?
3. The filament transformer in the previous question is supplied with 150 V to the
primary side. What is the secondary voltage?
4. 440 V is supplied to 1000 primary turns of an autotransformer. If the desired output
voltage is 100 V how many secondary turns must be tapped?
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