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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 20% of a radiactive element decays in 10 days, then amount of original material left
- A long solenoid has 500 turns. When a current of 2 ampere is passed through it
- Point masses m₁ and m₂ are placed at the opposite ends of a rigid rod of length L,
- Electrons of mass m with de-Broglie wavelength λ fall on the target in an X-ray tube.
- Before using the tangent galvanometer, its coil is set in
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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