Electrical Engg (EEE) - MCQ Practice Questions

In a complex circuit using superposition theorem, the total response is found by:

For a transmission line with characteristic impedance Z₀ = 50 Ω and load impedance ZL = 100 Ω, the reflection coefficient is:

For a series RLC circuit with R = 10 Ω, L = 0.1 H, C = 100 μF at resonance, what is the resonant frequency?

In a network, when using the cut-set method, a cut separates the network into two parts. How many equations are needed for a network with 'b' branches and 'n' nodes to find all branch currents?

A network contains a voltage source Vs = 10V, resistor R₁ = 10Ω in series, and two parallel branches with R₂ = 20Ω and R₃ = 30Ω. What is the Thevenin equivalent resistance (Rth) seen from terminals across R₃?

For a passive linear network, the input impedance looking into terminals is Z(s). If a unit impulse is applied as input, the impulse response h(t) is the:

For a two-port network, when port 2 is open-circuited (I₂=0), the parameter measured is:

The cut-set matrix is used in circuit analysis to:

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: