Current Electricity and Electrical InstrumentHard
Question
How will the reading in the ammeter A of figure be affected if another identical bulb Q is connected is parallel to P as shown. The voltage in the mains in maintained at a constant value.
Options
A.The reading will be reduced to one - half
B.The reading will be affected
C.The reading will be doubled of the previous one
D.The reading will be increased four-fold
Solution
Resistance is halved. Current is doubled.
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