N a 7 513748 va b 0 va c 100 v a d 153513748 va e

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Unformatted text preview: phase difference between I and V as shown in figure? A) 45.00o B) 39.81o C) 63.33 o D) 60.00 o E) None of the above. Problem 15 What is the impedance of a load if it absorbs 20KVAR at lagging power factor of 0.6 when a current of magnitude 50 A rms flows through it? A) 6 + 8j ohms B) 3 + 4j ohms C) 4+ j3 ohms D) 8+ j6 ohms E) None of the above. 9 www.amal-aub.org and L are unknown Load 1 absorbs a complex power VA. absorbs a complex power of 1 0 0 ~ 4 5 ~ Determine Rz 2. A balanced deltmxmected Ioad draws 10 A of line current (m) 3 kW at 220 V and ( m ) DeterHlim the reactance X of each phase. rs. a, 38.1 52. b. 23.486 $2. c. 30 0. d. 35 0. s. None of the above. 3. ~ ~ T h e v ~ ~ c e t o t h . e l & o f t h e ~ T l - T 2 o f ~ ~ in figure- a. 1 5 ~ 5 0 'Q b. 5 + 5 j 6 2 c. I.O8G+ 2.5351 fi t I d. 9.69~51.07~ SZ e. None of the above. 4. How mu& complex power is delivered by the 5630' A (rms) c u r r d source to fhe circuit shown i figure. n a 7.5~137.48' VA. b. 0 VA. C 100 VA . d. 15.35~137.48~ VA. e- None of the above. www.amal-aub.org and L are unknown Load 1 absorbs a complex power VA. absorbs a complex power of 1 0 0 ~ 4 5 ~ Determine Rz rms. 2. A balanced deltmxmected Ioad draws 10 A of line current (m) 3 kW at 220 V and ( m ) DeterHlim the reactance X of each phase. rs. a, 38.1 52. b. 23.486 $2. c. 30 0. d. 35 0. s. None of the above. 3. ~ ~ T h e v ~ ~ c e t o t h . e l & o f t h e ~ T l - T 2 o f ~ ~ in figure- a. 1 5 ~ 5 0 'Q b. 5 + 5 j 6 2 c. I.O8G+ 2.5351 fi t I d. 9.69~51.07~ SZ e. None of the above. 4. How mu& complex power is delivered by the 5630' A (rms) c u r r d source to fhe circuit shown i figure. n a 7.5~137.48' VA. b. 0 VA. C 100 VA . d. 15.35~137.48~ VA. e- None of the above. www.amal-aub.org 5. Find the vohage v, (t) across the a b. c. d. ' 1.60cos...
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This test prep was uploaded on 03/11/2014 for the course EECE 210 taught by Professor Riadchedid during the Spring '07 term at American University of Beirut.

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