Compute the reading of the ammeter $A$ in the given network of resistors.

In the given diagram, calculate the resistance of the voltmeter. The ammeter reading is $2 A$, the voltmeter reading is $120 V$ and $R$ is $75\Omega$.

The adjoining figure shows two resistors $R_1$ and $R_2$ connected to a battery having an emf of $40 V$ and negligible internal resistance. A voltmeter having a resistance of $300\Omega$ is used to measure potential difference across $R_1$. Find the reading of voltmeter.

A network of resistors is connected to a $16 \mathrm{V}$ battery with internal resistance of $1\Omega$, as shown. Find equivalent resistance of the network.

A network of resistors is connected to a $16 \mathrm{V}$ battery with internal resistance of $1\Omega$, as shown. Find current in resistors $R_1,R_3$ and $R_4$.

A network of resistors is connected to a $16 \mathrm{V}$ battery with internal resistance of $1\Omega$, as shown. Find voltage drops across $R_1-R_2, R_3$ and $R_4-R_5$ resistors.