A) AC
B) DC
C) Brightness will be in ratio 1/1.4
D) Equally with both
Correct Answer: D
Solution :
[d] \[Brightness\,\,\propto \,\,{{P}_{consumed}}\,\propto \,\frac{1}{R}.\] For bulb, \[{{R}_{ac}}={{R}_{dc}},\] so brightness will be equal in both the cases.You need to login to perform this action.
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