Questions in Current Electricity

Select	Question
	A battery of e.m.f.10 V is connected to resistance as shown in figure. The potential difference between the points A and B is
	Three resistances, each of 1 ohm, are joined in parallel. Three such combinations are put in series, then the resultant resistance will be
	A student has 10 resistors of resistance ‘r’. The minimum resistance made by him from given resistors is
	Two wires of same metal have the same length but their cross-sections are in the ratio $3:1$. They are joined in series. The resistance of the thicker wire is $10\,\Omega$. The total resistance of the combination will be
	The equivalent resistance of the following infinite network of resistances is
	In the figure given below, the current passing through $6\,\Omega $ resistor is
	Three equal resistances each of value R are joined as shown in the figure. The equivalent resistance between M and N is
	The equivalent resistance between points A and B of an infinite network of resistances each of $1\,\Omega $ connected as shown, is
	A copper wire of resistance R is cut into ten parts of equal length. Two pieces each are joined in series and then five such combinations are joined in parallel. The new combination will have a resistance
	A wire has resistance $12\,\Omega $. It is bent in the form of a circle. The effective resistance between the two points on any diameter is equal to