1
AIIMS 2017
MCQ (Single Correct Answer)
+1
-0.33
A cylindrical conductor AB of non-uniform area of cross-section carries a current of 5A. The radius of the conductor at one end A is 0.5 cm. The current density at the other end of the conductor is half of the value at A. The radius of the conductor at the end B is nearly
2
AIIMS 2017
MCQ (Single Correct Answer)
+1
-0.33
The effective resistance between p and q in given figure is
3
AIIMS 2017
MCQ (Single Correct Answer)
+1
-0.33
Two batteries, one of emf $$18 \mathrm{~V}$$ and internal resistance $$2 \Omega$$ and the other of emf $$12 \mathrm{~V}$$ and internal resistance $$1 \Omega$$ are connected as shown. The voltmeter $$V$$ will record a reading of
4
AIIMS 2017
MCQ (Single Correct Answer)
+1
-0.33
Assertion : A potentiometer is preferred over that of a voltmeter for measurement of emf of a cell.
Reason : Potentiometer does not draw any current from the cell.
Questions Asked from Current Electricity (MCQ (Single Correct Answer))
Number in Brackets after Paper Indicates No. of Questions
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