6. An inductive coil and a non-inductive resistance R ohms are connected in series across an a.c. supply. Derive expressions for the power taken by the coil and its power factor in terms of the voltage across the coil, the resistance and the supply respectively. If R = 12 0 and the three voltages are in order, 110 V, 180 V and 240 V, alculatethe nower and the pOIer factor of the coil
6. An inductive coil and a non-inductive resistance R ohms are connected in series across an a.c. supply. Derive expressions for the power taken by the coil and its power factor in terms of the voltage across the coil, the resistance and the supply respectively. If R = 12 0 and the three voltages are in order, 110 V, 180 V and 240 V, alculatethe nower and the pOIer factor of the coil
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Transcribed Image Text:6. An inductive cail and a non-inductive resistance Rohms are connected in series across an a.c. supply. Derive
expressions for the power taken by the coil and its power factor in terms of the voltage across the coil, the
resistance and the supply respectively, If R = 12 0 and the three voltages are in order, 110 V, 180 V and 240 V,
calculate the power and the power factor of the coil.
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