RRB Group D 22-Sep-2018 Shift 1 Solved Paper

Question : 58 of 100

Marks: +1, -0

Of the two bulbs, one glows brighter than the other. Which bulb has a higher resistance?

Solution:

The dim bulb will have higher resistance. Remember house wiring is in parallel and in parallel connection, voltage is constant so

{P}=({V} 2) / {R}

so brighter the bulb less will be the resistance.

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