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Why Is An Extra Variable Resistance Connected In Series With The Choke On D.c. Supply? |
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Answer» As there is no effect of inductance on D.C. SUPPLY an extra variable resistance is connected in SERIES with the CHOKE to increase the effective resistance to absorb the DIFFERENCE between the mains voltage and the CORRECT lamp voltage during running. As there is no effect of inductance on D.C. supply an extra variable resistance is connected in series with the choke to increase the effective resistance to absorb the difference between the mains voltage and the correct lamp voltage during running. |
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