1
AIEEE 2012
MCQ (Single Correct Answer)
+4
-1
Two electric bulbs marked $$25W$$ $$-$$ $$220$$ $$V$$ and $$100W$$ $$-$$ $$220V$$ are connected in series to a $$440$$ $$V$$ supply. Which of the bulbs will fuse?
A
Both
B
$$100$$ $$W$$
C
$$25$$ $$W$$
D
Neither
2
AIEEE 2011
MCQ (Single Correct Answer)
+4
-1
If a wire is stretched to make it $$0.1\% $$ longer, its resistance will:
A
increase by $$0.2\% $$
B
decrease by $$0.2\% $$
C
decrease by $$0.05\% $$
D
increase by $$0.05\% $$
3
AIEEE 2010
MCQ (Single Correct Answer)
+4
-1
Two conductors have the same resistance at $${0^ \circ }C$$ but their temperature coefficients of resistance are $${\alpha _1}$$ and $${\alpha _2}.$$ The respective temperature coefficients of their series and parallel combinations are nearly
A
$${{{\alpha _1} + {\alpha _2}} \over 2},\,{\alpha _1} + {\alpha _2}$$
B
$${\alpha _1} + {\alpha _2},\,{{{\alpha _1} + {\alpha _2}} \over 2}$$
C
$${\alpha _1} + {\alpha _2},\,{{{\alpha _1}{\alpha _2}} \over {{\alpha _1} + {\alpha _2}}}$$
D
$${{{\alpha _1} + {\alpha _2}} \over 2},\,{{{\alpha _1} + {\alpha _2}} \over 2}$$
4
AIEEE 2008
MCQ (Single Correct Answer)
+4
-1
Shown in the figure below is a meter-bridge set up with null deflection in the galvanometer. AIEEE 2008 Physics - Current Electricity Question 273 English

The value of the unknown resister $$R$$ is

A
$$13.75\Omega $$
B
$$220\Omega $$
C
$$110\Omega $$
D
$$55\Omega $$
JEE Main Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12