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Internal resistance of a cell of emf 2V is 0.1 it is connected to resistance of 0.9. voltage across cell will be |
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Answer» E =2V r=0.1 ohm R=3.9 ohm E=I(r+R) 2=I(0.1+3.9) 2=I×4 I=2/4=0.5A voltage ACROSS cell V=IR =0.5×3.9 =1.95V |
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