In the circuit shown, the current in the \(1~\Omega\) resistor is:
1. | \(1.3~\text{A},\) from \(P\) to \(Q\) |
2. | \(0~\text{A}\) |
3. | \(0.13~\text{A}\), from \(Q\) to \(P\) |
4. | \(0.13~\text{A}\), from \(P\) to \(Q\) |
In the above circuit, the current in each resistance is:
1. \(1~\text{A}\)
2. \(0.25~\text{A}\)
3. \(0.5~\text{A}\)
4. \(0~\text{A}\)
For the circuit shown, with \(R_1=1.0~ \Omega, R_2=2.0 ~\Omega, E_1=2~\text{V}, E_2=E_3=4 ~\text{V}\) the potential difference between the points ‘\(a\)’ and ‘\(b\)’ is approximately (in \(\text{V}\)):
1. \(3.7\)
2. \(2.7\)
3. \(2.3\)
4. \(3.3\)
An ideal cell of emf \(10~\text{V}\) is connected in circuit shown in figure. Each resistance is \(2~\Omega\). The potential difference (in \(V\)) across the capacitor when it is fully charged is:
1. \(2\)
2. \(4\)
3. \(6\)
4. \(8\)
Two resistors \(400~ \Omega\) and \(800~ \Omega\) are connected in series across a \(6~\text{V}\) battery. The potential difference measured by a voltmeter of \(10~ k\Omega\) cross \(400~ \Omega\) resistor is close to :
1. \(2.05~\text{V}\)
2. \(1.95~\text{V}\)
3. \(2~\text{V}\)
4. \(1.8~\text{V}\)
Four resistances \(40 ~\Omega, 60 ~\Omega, 90 ~\Omega \text { and } 110 ~\Omega\) make the arms of a quadrilateral \(ABCD\). Across \(AC\) is a battery of emf \(40~\text{V}\) and internal resistance negligible. The potential difference across \(BD\) in \(V\) is:
1. \(4\)
2. \(3\)
3. \(2\)
4. \(1\)
In the circuit, given in the figure currents in different branches and value of one resistor are shown. Then potential at point \(B\) with respect to the point \(A\) is:
1. \(+1 ~\mathrm{V}\)
2. \(-1 ~\mathrm{V}\)
3. \(-2 ~\mathrm{V}\)
4. \(+2 ~\mathrm{V}\)
In the figure shown, the current in the \(10~\text{V}\) battery is close to:
1. | \(0.36~\text{A}\) from negative to positive terminal. |
2. | \(0.71~\text{A}\) from positive to negative terminal. |
3. | \(0.21~\text{A}\) from positive to negative terminal. |
4. | \(0.42~\text{A}\) from positive to negative terminal. |