1. | \(1.5~\text{A}\) from \(\mathrm{B}\) to \(\mathrm{A}\) through \(E\) |
2. | \(0.2~\text{A}\) from \(\mathrm{B}\) to \(\mathrm{A}\) through \(E\) |
3. | \(0.5~\text{A}\) from \(\mathrm{A}\) to \(\mathrm{B}\) through \(E\) |
4. | \(\dfrac{5}{9}~\text{A}\) from \(\mathrm{A}\) to \(\mathrm{B}\) through \(E\) |
1. | \(400~\Omega\) | 2. | \(200~\Omega\) |
3. | \(50~\Omega\) | 4. | \(100~\Omega\) |
Three resistors having resistances \(r_1, r_2~\text{and}~r_3\) are connected as shown in the given circuit. The ratio \(\frac{i_3}{i_1}\) of currents in terms of resistances used in the circuit is:
1. \(\frac{r_1}{r_1+r_2}\)
2. \(\frac{r_2}{r_1+r_3}\)
3. \(\frac{r_1}{r_2+r_3}\)
4. \(\frac{r_2}{r_2+r_3}\)
For the circuit given below, Kirchhoff's loop rule for the loop \(BCDEB\) is given by the equation:
1. | \(-{i}_2 {R}_2+{E}_2-{E}_3+{i}_3{R}_1=0\) |
2. | \({i}_2{R}_2+{E}_2-{E}_3-{i}_3 {R}_1=0\) |
3. | \({i}_2 {R}_2+{E}_2+{E}_3+{i}_3 {R}_1=0\) |
4. | \(-{i}_2 {R}_2+{E}_2+{E}_3+{i}_3{R}_1=0\) |
In the circuits shown below, the readings of the voltmeters and the ammeters will be:
1. | \(V_2>V_1~\text{and}~i_1= i_2\) | 2. | \(V_2=V_1~\text{and}~i_1> i_2\) |
3. | \(V_2=V_1~\text{and}~i_1= i_2\) | 4. | \(V_2>V_1~\text{and}~i_1> i_2\) |
The reading of an ideal voltmeter in the circuit shown is:
1. | \(0.6\) V | 2. | \(0\) |
3. | \(0.5\) V | 4. | \(0.4\) V |