Question

class _ 10th chapter electricity ❣❣
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❤Thanks!​

Answer 1

(i) When bulb B1 gets fused, the currents in B2 and .B3 remain same I2 = I3 = 1A, so their glow remains unaffected.

(ii) When bulb B2 gets fused, the current in .B2 becomes zero and currents in B1 and B3 remains .

$total \: currenr \: = I_{1} + I_{2} + I_{3}$

$= 1 + 0 + 1 = 2$

So

$a_{1} = 1a$

$a_{2} = 0$

$a_{3} = 1a$

$a = 2$

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