Resistances `R_1, R_2, R_3 and R_4`, are connected as shown in the figure. `S_1` and `S_2` are two keys. Discuss the current flowing in the circuit in the following cases.
` S_1` is closed but `S_2` is open.

Resistances R_1, R_2, R_3 and R_4 , are connected as shown in the figure. S_1 and S_2 are two keys. Discuss the current flowing in the circuit in the following cases. Both S_1 and S_2 are closed.

Resistances R_1, R_2, R_3 and R_4 , are connected as shown in the figure. S_1 and S_2 are two keys. Discuss the current flowing in the circuit in the following cases. Both S_1 and S_2 are open.

the given circuit has two ideal diodes connected as shown in the figure below. The current flowing through the resistance R_1 will be

Two resistance R1 and R2 connected in parallel, this equivalent resistance is.

What is the current in the 4Omega resistor when switch S_(1) is open and switch S_(2) is closed in the given circuit ?

Two resistance R_(1) = 50 pm 2 ohm and R_(2) = 60 ohm connected in series , the equivalent resistance of the series combination in

A circuit consists of two cells, each of e.m.f. E and internal resistances r_(1) and r_(2) are connected in series through an external resistance X. If the potential difference between the ends of the first cell is zero, the value of X in terms of r_(1) and r_(2) will be

A alternating e.m.f. e = 200 sin (100 pit) is connected across a resistor of resistance 10 Omega . Calculate the r.m.s. current flowing through the circuit.

In a Wheatstone's bridge, three resistances P,Q and R connected in the three arms and the fourth arm is formed by two resistances S_1 and S_2 connected in parallel. The condition for the bridge to be balanced will be

A wire loop is formed by joining two semicircular wires of radii r_1 and r_2 as shown in the figure if the loop carries a current I_1 find the magnetic field at the centre O. .