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1.
A 
bulb working on 
and a 
bulb working on 
have
bulb working on and a bulb working on have
2.
An electric current passes through a circuit containing two wires of the same material connected in parallel. If the lengths of the wires are in the ratio of 4/3 and radius of the wires are in the ratio of 2/3, then the ratio of the current passing through the wires will be
3.
A heater is operated with a power of 
in a 
line. It is connected in combination with a resistance of 
and a resistance 
to a line as shown in figure. What should be the value of so, that the heater operates with a power of 
in a line. It is connected in combination with a resistance of and a resistance to a line as shown in figure. What should be the value of so, that the heater operates with a power of
4.
Two electric bulbs, one of 
and the other 
are connected in a house wiring circuit
and the other are connected in a house wiring circuit
5.
In a Wheatstone bridge, 
and a cell of 4 V emf. Then the potential difference between the diagonal along which a galvanometer is connected is
and a cell of 4 V emf. Then the potential difference between the diagonal along which a galvanometer is connected is