1
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
If specific resistance of a potentiometer wire is 10-7$$\Omega $$ m and current flow through it is 0.1 amp., cross-sectional area of wire is 10$$-$$6 m2 then potential gradient will be
2
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
The resistance of each arm of the Wheatstone's bridge is 10 ohm. A resistance of 10 ohm is connected in series with a galvanometer then the equivalent resistance across the battery will be
3
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
The potentiometer is best for measuring voltage, as
4
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
Two bulbs of (40 W, 200 V), and (100 W, 200 V). Then correct relation for their resistances
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