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 Q. Millman’s theorem is used to find the equivalent voltage and resistance

Ans A network with voltage sources in parallel

2.The inductance of a coil is defined

The rate of change of voltage with respect to current

3A time-invariant element is one whose

**Remain constant over time**

4Which of the following is true about lumped elements?

Their properties are assumed to be concentrated at a single point

5A dependent voltage source is a voltage source whose value

A parameter like current or voltage elsewhere in the circuit

6independent voltage source:

Has a constant voltage regardless of current

7nodal analysis, the number of equations

Equal to the number of nodes minus one

8mesh analysis, the number of independent mesh currents is equal to:

The number of independent loops

9Which of the following is an example of an active circuit

Transistor

10Kirchhoff’s Current Law (KCL) is based on the principle

Charge conservation

11 Which of the following theorems is used to simplify the analysis of a networ

Superposition theorem

12 Reciprocity theorem is applicable

Linear and bilateral circuits

13The classification of elements into lumped and distributed depends

Whether the element is small enough to be treated as a single point

14When converting a star (Y) network to a delta (A) network, the resistance of the delta connection is:

Directly proportional to the resistances in the star network

16mutual inductance between two coils is

The voltage induced in one coil due to the other coil’s current

17Which of the following is a key difference between active and passive

Active components supply energy, while passive components only dissipate or store e

18Which of the following is an example of a non-linear element?

Diode

1.The total impedance in a series RLC circuit is the:

Answer: Vector sum of R, L, and C

2. Which of the following is an example of a source of energy in an active circuit element?

Answer: Battery

3. The power factor in an AC circuit is the ratio of:

Answer: Real power to apparent power

4. A dependent current source is a source whose value of current depends on:

Answer: The current in another element

5. A non-linear element in a circuit:

Answer: Exhibits resistance that does not remain constant

6. Active circuit elements are components that:

Answer: Can supply energy to the circuit

7. In the formula for mutual inductance M = (Ф1 / I2), Ф₁ represents:

Answer: The flux linked with the first

8. The maximum power transfer theorem states that maximum power is transferred to the load when:

Answer: Load resistance is equal to the Thevenin r9. Active components require an external power source, whereas passive components:

Answer: Never require any power sources