Current Electri...

In the circuit, the potential difference across PQ will be nearest to

Find the equivalent resistance across AB.

The current I drawn from the 5 volt source will be

In a Wheatstone\'s bridge, three resistance P, Q and R are connected in the three arms and the fourth arm is formed by two resistances S₁ and S₂connected in parallel. The condition for the bridge to be balanced will be

Two wires of the same dimensions but resistivities ρ₁ and ρ₂ are connected in series. The equivalent resistivity of the combination is

A 3 volt battery with negligible internal resistance is connected in a circuit as shown in the figure. The current I, in the circuit will be

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 Ω each is connected to a 12 V battery of internal resistance 0.4 Ω. The current flowing through it will be

In the circuit shown in the adjoining figure, the current between B and D is zero, the unknown resistance is of