List of top Physics Questions on Resistance asked in WBJEE

In an experiment on a circuit, as shown in the figure, the voltmeter shows 8V reading. The resistance of the voltmeter is 

The current flowing through the 3$\Omega$ resistor in the circuit is,

A micro-ammeter gives full scale deflection at 100 $\mu$A. Its resistance is 2k$\Omega$. The resistance required to convert it to a voltmeter reading 1V is