A. Nodes A,B and C only O B. All nodes O C. Nodes C & D O D. Nodes A, B, or C i. Complete the formula below for the application of KCL at sup and D for the voltages at the nodes) KCL at A&B: B-C , 4 +2 =0mA ii. Express I, in terms of the nodal voltages at B & C KCL at C:
please help me with the incorrect ones, thanks.
PRESENCE OF SOURCE:
In the presence of sources, all the passive elements which are R, L and C always absorb energy than the current enters at the positive terminal of R, L, and C.
ABSENCE OF SOURCES:
In the absence of sources, energy storage elements (L and C) will deliver the energy to the energy dissipated element, while delivering energy current enters at the negative terminal of (L and C) elements whereas in resistor (R) current always enters at the positive terminal.
KIRCHHOFF’S LAW:
KCL: The algebraic sum of all currents at a node is zero. Kirchhoff's current law is applicable for active and passive networks, as well as linear & non-linear networks. This law is based on Conservation of Charge.
KVL: The algebraic sum of all voltages in a closed path is zero. Kirchhoff's voltage law is applicable for active and passive networks, as well as linear & non-linear networks. This law is based on the conservation of energy.
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