Which has higher resistance a bulb of 50 W or of 25 W?
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Answer:
50W bulb has higher resistance bulb
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A bulb with more power will have less RESISTANCE. So, bulb with 25W will offer more RESISTANCE. THEREFORE , SECOND BULB WITH POWER 25W WILL OFFER MORE ( DOUBLE) RESISTANCE THAN FIRST BULB. 50/25=2 therefore 25W has double the resistance of 50W
So, the more the power, the lower will be the resistance and vice versa. Or, R2 = 2R1. Thus, 25 W bulb will have double the resistance as compared to 50 Watt bulb
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