1
AIIMS 2018
MCQ (Single Correct Answer)
+1
-0.33
Assertion Bulb generally get fused when they are switched on or off.
Reason When we switch on or off, a circuit current changes in it rapidly.
2
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
3
AIIMS 2017
MCQ (Single Correct Answer)
+1
-0.33
The effective resistance between p and q in given figure is
4
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
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