1
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
A $$220$$ volt, $$1000$$ watt bulb is connected across a $$110$$ $$volt$$ mains supply. The power consumed will be
A
$$750$$ watt
B
$$500$$ watt
C
$$250$$ watt
D
$$1000$$ watt
2
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
A $$3$$ volt battery with negligible internal resistance is connected in a circuit as shown in the figure. The current $${\rm I}$$, in the circuit will be AIEEE 2003 Physics - Current Electricity Question 343 English
A
$$1$$ $$A$$
B
$$1.5$$ $$A$$
C
$$2$$ $$A$$
D
$$1/3$$ $$A$$
3
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
The nagative $$Zn$$ pole of a Daniell cell, sending a constant current through a circuit, decreases in mass by $$0.13g$$ in $$30$$ minutes. If the electrochemical equivalent of $$Zn$$ and $$Cu$$ are $$32.5$$ and $$31.5$$ respectively, the increase in the mass of the positive $$Cu$$ pole in this time is
A
$$0.180$$ $$g$$
B
$$0.141$$ $$g$$
C
$$0.126$$ $$g$$
D
$$0.242$$ $$g$$
4
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
The thermo $$e.m.f.$$ of a thermo -couple is $$25$$ $$\mu V/{}^ \circ C$$ at room temperature. A galvanometer of $$40$$ $$ohm$$ resistance, capable of detecting current as low as $${10^{ - 5}}\,A,$$ is connected with the thermo couple. The smallest temperature difference that can be detected by this system is
A
$${16^0}C$$
B
$${12^0}C$$
C
$${8^0}C$$
D
$${20^0}C$$
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