The magnitude and direction of the current in the following circuit is:
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 \(E\)
Subtopic:  Kirchoff's Voltage Law |
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If the galvanometer \(G\) does not show any deflection in the circuit shown, the value of \(R\) is given by:
1. \(400~\Omega\) 2. \(200~\Omega\)
3. \(50~\Omega\) 4. \(100~\Omega\)
Subtopic:  Kirchoff's Voltage Law |
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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. \(\frac{r_2}{r_2+r_3}\)

Subtopic:  Kirchoff's Voltage Law |
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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. \(-{i}_2 {R}_2+{E}_2+{E}_3+{i}_3{R}_1=0\)
Subtopic:  Kirchoff's Voltage Law |
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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. \(V_2>V_1~\text{and}~i_1> i_2\)

Subtopic:  Kirchoff's Voltage Law |
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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
Subtopic:  Kirchoff's Voltage Law |
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