Questions in Current Electricity

Select	Question
	In the circuit shown, the point ‘B’ is earthed. The potential at the point ‘A’ is
	Three resistors each of $4\,\Omega $ are connected together to form a network. The equivalent resistance of the network cannot be
	In the circuit shown below, the cell has an e.m.f. of 10 V and internal resistance of 1 ohm. The other resistances are shown in the figure. The potential difference ${V_A} - {V_B}$ is
	A wire of resistance R is cut into ‘n’ equal parts. These parts are then connected in parallel. The equivalent resistance of the combination will be
	The resistance between the terminal points A and B of the given infinitely long circuit will be
	The current in the given circuit is
	What is the current (i) in the circuit as shown in figure
	n equal resistors are first connected in series and then connected in parallel. What is the ratio of the maximum to the minimum resistance
	A uniform wire of $16\,\Omega $ is made into the form of a square. Two opposite corners of the square are connected by a wire of resistance . The effective resistance between the other two opposite corners is
	For what value of R the net resistance of the circuit will be 18 ohms