Questions in Current Electricity

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	The equivalent resistance between x and y in the circuit shown is
	The equivalent resistance between the points P and Q of the circuit given is
	Two wires of the same dimensions but resistivities ${\rho _1}{\rm{ and }}{\rho _2}$ are connected in series. The equivalent resistivity of the combination is
	Three unequal resistors in parallel are equivalent to a resistance 1 ohm. If two of them are in the ratio 1 : 2 and if no resistance value is fractional, the largest of the three resistances in ohms is
	A 3volt battery with negligible internal resistance is connected in a circuit as shown in the figure. The current I, in the circuit will be
	Find the equivalent resistance between the points a and b
	The potential difference between point A&B is
	In the circuit shown below, The reading of the voltmeter V is
	A wire has a resistance of 12 ohm. It is bent in the form of equilateral triangle. The effective resistance between any two corners of the triangle is
	A series combination of two resistors $1 \Omega$ each is connected to a 12 V battery of internal resistance $0.4 \Omega$. The current flowing through it will be