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A generator at a utility company produces 100 A of current at 4000 V. The voltage is stepped up to 240000 V by a transformer before it is sent on a high voltage transmission line. The current in transmission line is
Options
(a) 3.67 A
(b) 2.67 A
(c) 1.67 A
(d) 2.40 A
Correct Answer:
1.67 A
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Alternating Current
(96)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- An a.c. supply gives 30 volt r.m.s which passes through a 10Ω resistance.
- Find out the e.m.f. produced when the current changes from 0 to 1 A in 10 sec.
- A proton and an alpha particle both enter a region of uniform magnetic field B,
- Two springs with spring constants K₁=1500 N/m and K₂=3000 N/m
- For a normal eye, the cornea of eye provides a converging power 40 D and the least
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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