1
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
Resistance n, each of r ohm, when connected in parallel give an equivalent resistance of R ohm. If these resistances were connected in series, the combination would have a resistance in ohms, equal to
2
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
when three identical bulbs of 60 watt, 200 volt rating are connected in series to a 200 volt supply, the power drawn by them will be
3
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
Fuse wire is a wire of
4
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
An electric kettle has two heating coils. When one of the coils is connected to an a.c. source, the water in the kettle boils in 10 minutes. When the other coil is used the water boils in 40 minutes. If both the coils are connected in parallel, the time taken by the same quantity of water to boil will be
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