The resistance between terminals \(A\) and \(B\) is:

        

1. \(5~\Omega\)
2. \(15~\Omega\)
3. \(10~\Omega\)
4. \(20~\Omega\)

What is the ratio of currents flowing in the resistors \(x\) and \(y\) of resistance \(10~\Omega\) each?
                     
1. \(1\)

2. \(0.5\)

3. \(1.5\)

4. \(2.0\)

What is the value of current \(I\) in the network shown below?

A current passes through a wire of variable cross-section in steady-state as shown. Then incorrect statement is:

The value of E (emf of the cell) in the circuit given below is:
  

Two cells of emf \(E\) and internal resistance \(r_1\) and \(r_2\) are connected in series through an external resistance \(R\). The value of \(R\) for which the potential difference across one of the cells becomes zero will be:

In the given circuit diagram, \(3\) identical bulbs are connected. If bulb \(B_3\) get fused suddenly, how will the brightness of bulbs \(B_1\) and \(B_2\) change?
              

What is the reading of the voltmeter of resistance \(1200~\Omega\) connected in the following circuit diagram? 

1. \(2.5\) V

2. \(5.0\) V

3. \(7.5\) V

4. \(40\) V

The dependence of resistivity \((\rho)\) on the temperature \((T)\) of a semiconductor is, roughly, represented by:

1.		2.
3.		4.