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A resistance R draws power P when connected to an AC source. If an inductance is now placed in series with the resistance, such that the impedance of the circuit becomes Z the power drawn will be
Options
(a) p(R/Z)²
(b) P√R/Z
(c) P(R/Z)
(d) P
Correct Answer:
p(R/Z)²
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
- In R-L-C series circuit, the potential differences across each element is 20 V.
- If a nucleus ᴢXᴬ emits 9α and 5β-particles, then the ratio of total protons and neutrons
- Two cities are 150 km apart. Electric power is sent from one city to another city
- Find out the e.m.f. produced when the current changes from 0 to 1 A in 10 sec.
- A tuning fork of frequency x produces 4 beats with a source of 256 Hz and 8 beats
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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