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7. The ripple voltage in the d.c. output is small if a) frequency of supply is high b) the filtering capacitor is small c) the load current is large d) none of the above is true 8. A Van de Graaff generator has a belt speed of 3 m/s, charge density of 12 µc/m2 and a belt width 2 m. The maximum charging current is: a) 45 μΑ b) 50 μΑ C ) 72 μΑ d) 81 μΑ 9. For a 3 stage Cascaded transformer if P1, P2, P3 are the loadings of I, II and III stages primaries, then a) P1 > P2 > P3 b) P1 = P2 = P3 c) P2 < P1 < P3 d) P1 < P2 < P3 10. Parallel resonant transformer test system is used when a) large test voltages are needed b) when high frequency test voltage is needed c) stable output voltage with high rate of rise of voltage is needed d) large current is needed

7. The ripple voltage in the d.c. output is small if a) frequency of supply is high b) the filtering capacitor is small c) the load current is large d) none of the above is true 8. A Van de Graaff generator has a belt speed of 3 m/s, charge density of 12 µc/m2 and a belt width 2 m. The maximum charging current is: a) 45 μΑ b) 50 μΑ C ) 72 μΑ d) 81 μΑ 9. For a 3 stage Cascaded transformer if P1, P2, P3 are the loadings of I, II and III stages primaries, then a) P1 > P2 > P3 b) P1 = P2 = P3 c) P2 < P1 < P3 d) P1 < P2 < P3 10. Parallel resonant transformer test system is used when a) large test voltages are needed b) when high frequency test voltage is needed c) stable output voltage with high rate of rise of voltage is needed d) large current is needed

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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7. The ripple voltage in the d.c. output is small if a) frequency of supply is high b) the filtering capacitor is small c) the load current is large d) none of the above is true 8. A Van de Graaff generator has a belt speed of 3 m/s, charge density of 12 µc/m2 and a belt width 2 m. The maximum charging current is: a) 45 μΑ b) 50 μΑ c) 72 μΑ d) 81 µA 9. For a 3 stage Cascaded transformer if P1, P2, P3 are the loadings of I, II and III stages primaries, then a) P1 > P2 > P3 b) P1 = P2 = P3 c) P2 < P1 < P3 d) P1 < P2 < P3 10. Parallel resonant transformer test system is used when a) large test voltages are needed b) when high frequency test voltage is needed c) stable output voltage with high rate of rise of voltage is needed d) large current is needed
Transcribed Image Text:7. The ripple voltage in the d.c. output is small if a) frequency of supply is high b) the filtering capacitor is small c) the load current is large d) none of the above is true 8. A Van de Graaff generator has a belt speed of 3 m/s, charge density of 12 µc/m2 and a belt width 2 m. The maximum charging current is: a) 45 μΑ b) 50 μΑ c) 72 μΑ d) 81 µA 9. For a 3 stage Cascaded transformer if P1, P2, P3 are the loadings of I, II and III stages primaries, then a) P1 > P2 > P3 b) P1 = P2 = P3 c) P2 < P1 < P3 d) P1 < P2 < P3 10. Parallel resonant transformer test system is used when a) large test voltages are needed b) when high frequency test voltage is needed c) stable output voltage with high rate of rise of voltage is needed d) large current is needed
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