Three resistors 12 ohm, 18 ohm and 36 ohm are connected in parallel. This parallel circuit is connected in series with a resistor ‘R’. The whole circuit is connected to supply of 60 volt and it is found that power developed in 12 ohm resistor is 48 watts. Determine the value of R and total power.
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Explanation:
the value of R is 9
power in R is 144
total power delivered by battery is 240
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