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A 1Ω resistance in series with an ammeter is balanced by 75 cm of potentiometer wire. A standard cell of emf 1.02 V is balanced by 50 cm. The ammeter shows a reading of 1.5A. Then, the error in ammeter reading is
Options
(a) 0.03A
(b) 3A
(c) 1.3A
(d) 0.3A
Correct Answer:
0.03A
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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e=300 sin[(100 π)t] V
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Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Electrons with energy 80 keV are incident on the tungsten target of an X-ray tube.
- An alternating emf given by equation e=300 sin[(100 π)t] V
- A battery of e.m.f. E and internal resistance r is connected to an external resistance
- The width of the diffraction band varies
- A transistor-oscillator using a resonant circuit with an inductor L
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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