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293. Identify the below given circuit. a) Three-phase bridge regulator b) Three-phase bridge type semi-converter circuit c) Three-phase bridge thyristor inverter d) Three-phase bridge IGBT inverter
C
C
See lessFind the current density of a material with resistivity 20 units and electric field intensity 2000 units. a) 400 b) 300 c) 200 d) 100
Answer: d Explanation: The current density is given by J = σ E, where σ is the conductivity. Thus resistivity ρ = 1/σ. J = E/ρ = 2000/20 = 100 units.
Answer: d
See lessExplanation: The current density is given by J = σ E, where σ is the conductivity. Thus
resistivity ρ = 1/σ. J = E/ρ = 2000/20 = 100 units.
Calculate the capacitance of a material in air with area 20 units and distance between plates is 5m. a) 35.36pF b) 3.536pF c) 35.36nF d) 3.536nF
Answer: a Explanation: The capacitance of any material is given by, C = εA/d, where ε = εoεr is the permittivity in air and the material respectively. Thus C = 1 X 8.854 X 10-12 X 20/5 = 35.36pF.
Answer: a
See lessExplanation: The capacitance of any material is given by, C = εA/d, where ε = εoεr is the
permittivity in air and the material respectively. Thus C = 1 X 8.854 X 10-12 X 20/5 =
35.36pF.
946. IPv6 has _______ -bit addresses. A. 32 B. 64 C. 128 D. Variable
C. 128
C. 128
See less704. An RTP header has a minimum size of _________ A. 12 bytes B. 16 bytes C. 24 bytes D. 32 bytes
A. 12 bytes
A. 12 bytes
See less697. Real-time transport protocol (RTP) is mostly used in _________ A. streaming media B. video teleconference C. television services D. all of the mentioned
D. all of the mentioned
D. all of the mentioned
See less578. Which protocol should you select if the network diameter is more than 17 hops? A. ripv1 B. ripv2 C. eigrp D. ospf
B. ripv2
B. ripv2
See less