The figure below shows currents in a part of the electric circuit. The current \(i\) is:
1. \( 1.7 \mathrm{~A} \)
2. \( 3.7 \mathrm{~A} \)
3. \( 1.3 \mathrm{~A} \)
4. \( 1 \mathrm{~A}\)
The current in the arm CD of the circuit will be:
1.
2.
3.
4.
The figure below shows a network of currents. The current \(i\) will be:
1. \(3~\text{A}\)
2. \(13~\text{A}\)
3. \(23~\text{A}\)
4. \(-3~\text{A}\)
What is the value of current \(I\) in the network shown below?
1. | \(2\) A | 2. | \(3\) A |
3. | \(4\) A | 4. | \(7\) A |
a. | Conservation of the current density vector. |
b. | Conservation of charge. |
c. | The fact that the momentum with which a charged particle approaches a junction is unchanged (as a vector) as the charged particle leaves the junction. |
d. | The fact that there is no accumulation of charges at a junction. |
Which of the above statements are correct?
1. (b) and (c)
2. (a) and (c)
3. (b) and (d)
4. (c) and (d)