An electric heater which is connected to a 220V supply line has two resistance coils A and B of 24

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An electric heater which is connected to a 220V supply line has two resistance coils A and B of 24 ohm resistance each. These coils can be used separately in series or in parallel. Calculate the current drawn when:
a) only one coil A is used
b) coils A and B are used in series
c) coils A and B are used in parallel
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By - Vineet Pandey