AIPMT PRELIMS2003Physics-Electricity
AIPMT PRELIMS 2003 Physics Power in Electrical Circuits MCQ Question
Type: MCQ-numerical-Medium-Class 12
Two 220 volt, 100 watt bulbs are connected first in series and then in parallel. Each time the combination is connected to a 220 volt a.c. supply line. The power drawn by the combination in each case respectively will be -
A
50 watt, 100 watt
B
100 watt, 50 watt
C
200 watt, 150 watt
D
50 watt, 200 watt
Correct Answer
Option D
Detailed Explanation
In series, the total resistance is doubled, so power is halved. In parallel, the resistance is halved, so power is doubled.
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