MCQs
Total Questions : 33
| Page 4 of 4 pages
Question 31. For a power system network with n nodes, Z33 of its bus impedance matrix is j0.5 per unit. The voltage at node 3 is 1.3 ∠-10o per unit. If a capacitor having reactance of “j3.5 per unit is now added to the network between node 3 and the reference node, the current drawn by the capacitor per unit is
Answer: Option D. -> 0.433∠80o
-NA-
Question 32. A dielectric slab with 500 mm × 500 mm cross-section is 0.4 m long. The slab is subjected to a uniform electric field of E = 6ax + 8ay kV/mm. The relative permitivity of the dielectric material is equal to 2. The value of constant εo is 8.85 * 10-12 F/m. The energy stored in the dielectric in Joules is
Answer: Option C. -> 88.5
-NA-
Answer: Option B. -> 1
-NA-
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