there r two electric lamps m and n which are joined in series having resisteance equal to 15 ohm and 20 ohm respectivly if potential differnce betwwen two terminals of electric circuit is 220v fibd the total resistanance and electric circiut
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There are two electric lamps M and N which are joined in a series having resistance equal to 15.2 Ω and 20 Ω respectively. If the potential difference between two terminals of electric circuit is 220V.
a) Find the total resistance and electric current through the circuit.
b)Also find the potential difference across each lamp
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