Electrical Engg (EEE) - MCQ Practice Questions

In a magnetically coupled circuit with two inductors L₁ and L₂ with mutual inductance M, if current increases in primary, the induced voltage in secondary opposes this change. This demonstrates:

A network is said to be bilateral if:

In nodal analysis, the number of independent equations required to solve a circuit with 'n' nodes (excluding the reference node) is:

A voltage source of 10V with internal resistance 2Ω is connected to a load resistance of 8Ω. The maximum power transfer to the load occurs when load resistance is:

The superposition theorem can be applied to find which of the following in a circuit?

In a planar circuit with B branches, N nodes, and L independent loops, the relationship between them is given by:

For a two-port network, if Z-parameters are known, the relationship between input impedance and Z11 is:

In a circuit with a dependent voltage source controlled by current, the controlling current flows through:

Which method is most suitable for analyzing a circuit containing multiple independent and dependent sources?

The Thevenin equivalent resistance (RTh) of a network is found by:

In mesh analysis, for a circuit with 'm' meshes, the number of independent mesh equations is:

A network is reciprocal if the transfer impedance Z12 equals Z21. This property holds for networks containing:

In a circuit with time-varying sources, Kirchhoff's current law states that the algebraic sum of currents at a node is:

For a two-port network with H-parameters (hybrid parameters), H21 represents:

A circuit contains a 12V source, two resistors (6Ω and 3Ω) in series, and a 4Ω resistor in parallel with the 3Ω resistor. Using Thevenin's theorem, RTh across the 4Ω resistor terminals is:

In a circuit with mutual inductance M between two coils, if the coupling coefficient k = 0.8, L1 = 10H, then L2 is at least:

A circuit has a loop containing 5V source, 10V source (opposite polarity), 2Ω, and 3Ω resistors. Using KVL, the current magnitude in the loop is:

In ABCD parameters of a two-port network, parameter C represents:

For a circuit under steady-state AC conditions, the impedance of a 5H inductor at 50Hz frequency is approximately:

In a linear circuit with three independent loops, the number of independent mesh equations required for complete analysis is: