GATE Engineering - Electrical & Electronics Engineering (EE/ECE)

Network Theorems, AC/DC Machines, Control & Signals question bank (Circuits, Machines, Control Systems & Signal Processing)

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Q1.

GATE Electrical (Network Theorems): What is the condition for maximum power transfer from a linear DC source with Thevenin resistance $R_{th}$ to a variable load resistance $R_L$ in 'Network Analysis: KCL, KVL, Thevenin, Norton, Superposition and Maximum Power Transfer Theorems'?

(A)

$R_L = R_{th}$ (yielding maximum power $P_{\max} = \frac{V_{th}^2}{4 R_{th}}$) (Network Analysis: KCL, KVL, Thevenin, Norton, Superposition and Maximum Power Transfer Theorems)

(B)

$R_L = 0$

(C)

$R_L = \infty$

(D)

$R_L = 2 R_{{th}}$

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Q2.

Control Systems: A unity feedback control system in 'Network Analysis: KCL, KVL, Thevenin, Norton, Superposition and Maximum Power Transfer Theorems' has open-loop transfer function $G(s) = \frac{10}{s(s+2)}$. What is the Type and Order of the system?

(A)

Type 1 and Order 2 (Network Analysis: KCL, KVL, Thevenin, Norton, Superposition and Maximum Power Transfer Theorems)

(B)

Type 0 and Order 2

(C)

Type 2 and Order 1

(D)

Type 1 and Order 1

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