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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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Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If ₉₂U²³⁸ undergoes successively 8 ∝-decays and 6 β-decays, the resulting nucleus is
- A block of mass m is moving on a wedge with the acceleration aᵒ
- Element ²³⁴U has 92 protons and 234 nucleons in its nucleus. It decays by
- The near point and far point of a person are 40 cm and 250 cm, respectively.
- A,B and C are voltmeters of resistance R, 1.5 R and 3R respectively, as shown
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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