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1.
The resistivity of alloys 
the resistivity of constituent metals 
Then, usually
the resistivity of constituent metals Then, usually
2.
If the temperature of cold junction of thermocouple is lowered, then the neutral temperature
3.
For obtaining chlorine by electrolysis a current of 100 kW and 125 V is used. (Electro chemical equivalent of chlorine is 
). The amount of chlorine obtained in one minute will be
). The amount of chlorine obtained in one minute will be
4.
The current in a conductor varies with time 
as 
where 
is in 
and in 
Electric charge flowing through a section of the conductor during 
to 
is
as where is in and in Electric charge flowing through a section of the conductor during to is
5.
A wire of length 
and radius 
has a resistance of 
What length of the wire of the same material at the same temperature and of radius 
will also have a resistance of 
and radius has a resistance of What length of the wire of the same material at the same temperature and of radius will also have a resistance of
6.
The measurement of voltmeter in the following circuit is
7.
An electron (charge 
) is moving in a circle of radius 
at a frequency of 
The equivalent current is approximately
) is moving in a circle of radius at a frequency of The equivalent current is approximately
8.
In the following Wheatstone bridge 
If key 
is closed, then the galvanometer will show deflection
If key is closed, then the galvanometer will show deflection
9.
The amount of heat generated in 500
resistance, when the key is thrown over from contact 1 to 2, as shown in figure is
resistance, when the key is thrown over from contact 1 to 2, as shown in figure is
10.
In potentiometer a balance point is obtained, when