Calculate the equivalent resistance between points $A$ and $B$ in each of the following networks of resistors:

 

Calculate the resistance between points $A$ and $B$ for the following networks:

Find the equivalent resistance of the networks shown in Fig. between the points $A$ and $B$

Find the potential difference between the point $A$ and $B$ for the network shown in Fig.

In the circuit diagram shown in Fig. voltmeter reads $30 \mathrm{V}$ when connected across $400 \mathrm{\Omega }$ resistance. Calculate what the same voltammeter reads when it is connected across $300 \mathrm{\Omega }$ resistance.

Find the potential difference between points $A$ and $B$ i.e., $\left(V_{\mathrm{A}}-V_B\right)$ in the network shown in Fig.

In the circuit shown in Fig, $R_1=4 \mathrm{\Omega }, R_2=R_3=5 \mathrm{\Omega }, R_4=10 \mathrm{\Omega }$ and $\xi =6 \mathrm{V}$. Work out the equivalent resistance of the circuit and the current in each resistor.

Find the equivalent resistance between points $A$ and $B$ in Fig.

Letter $A$ as shown in Fig. has resistances on each side of arm. Calculate the total resistance between two ends of the legs.