Advertisements
Advertisements
Question
Are Kirchhoff’s laws applicable to both AC and DC circuits?
Advertisements
Solution
Kirchhoff’s laws are applicable for DC as well as AC circuits. They can be accurately used for DC circuits and low-frequency AC circuits. In the case of AC though, summation of current should be done in vector form or using the instantaneous value for the AC components of the circuit.
RELATED QUESTIONS
Are Kirchhoff’s laws applicable to both AC and DC currents?
Two cells of emf 1.5 Volt and 2 Volt having respective internal resistances of 1 Ω and 2 Ω are connected in parallel so as to send current in the same direction through an external resistance of 5 Ω. Find the current through the external resistance.
Kirchhoff’s second law (voltage law) is based on ______
State Kirchhoff’s first (current) law.
State Kirchhoff’s second (voltage) law.
The figure shows a network of currents. The magnitude of currents is shown here. The current I will be ______
A carrier wave of peak voltage 16 V is used to transmit a signal. If the modulation index is 75%, the peak voltage of the modulating signal is ______.
Kirchhoff's junction rule is a reflection of ____________.
The magnitude and direction of the current in the circuit shown will be ______
The potential difference (VA - VB) between the points A and B in the given figure is ______.
Which of the following is the dimensional formula for electric polarisation?
In the figure shown, the voltage across C3 will be
In the following electrical network, the value of 'I' is
The current in the arm CD of the circuit will be
The current I3 in the following circuit is ____________.
Using Kirchhoff's law, find the current flowing through the given circuit.
In the following network, the current flowing through 15 Ω resistance is ______.
State Kirchhoff's voltage law.
State sign convention of Kirchhoff's voltage law.
State Kirchhoff's current law sign conventions
The figure shows part of an electric circuit. The potential difference VA - VB is ______.
