1
AIEEE 2007
MCQ (Single Correct Answer)
+4
-1
A battery is used to charge a parallel plate capacitor till the potential difference between the plates becomes equal to the electromotive force of the battery. The ratio of the energy stored in the capacitor and the work done by the battery will be
A
$$1/2$$
B
$$1$$
C
$$2$$
D
$$1/4$$
2
AIEEE 2007
MCQ (Single Correct Answer)
+4
-1
The resistance of a wire is $$5$$ ohm at $${50^ \circ }C$$ and $$6$$ ohm at $${100^ \circ }C.$$ The resistance of the wire at $${0^ \circ }C$$ will be
A
$$3$$ ohm
B
$$2$$ ohm
C
$$1$$ ohm
D
$$4$$ ohm
3
AIEEE 2006
MCQ (Single Correct Answer)
+4
-1
A thermocouple is made from two metals, Antimony and Bismuth. If one junction of the couple is kept hot and the other is kept cold, then, an electric current will
A
flow from Antimony to Bismuth at the hot junction
B
flow from Bismuth to Antimony at the cold junction
C
now flow through the thermocouple
D
flow from Antimony to Bismuth at the cold junction
4
AIEEE 2006
MCQ (Single Correct Answer)
+4
-1
An electric bulb is rated $$220$$ volt - $$100$$ watt. The power consumed by it when operated on $$110$$ volt will be
A
$$75$$ watt
B
$$40$$ watt
C
$$25$$ Watt
D
$$50$$ Watt
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