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Which one of the following electrical meter has the smallest resistance?
Options
(a) Ammeter
(b) Milliammeter
(c) Galvanometer
(d) Voltmeter
Correct Answer:
Ammeter
Explanation:
A milliammeter will have greater resistance than ammeter because,
1. Number of turns in the coil in milliammeter is increased to compensate low value of current to create large deflection.
2. Milliammeter does not have usually a shunt in parallel because main current is very small. Ammeter usually have a shunt in parallel which makes overall resistance low.
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Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- For transistor action (1) Base, emitter and collector regions should have similar size
- A car of mass 1000 kg negotiates a banked curve of radius 90 m on a frictionless
- In the series resonance the value of impedence is 3 Ω and the resistance is 4Ω,
- If the number of radius of ²⁷Al is 3.6 Fermi, the approximate nuclear radius
- A bomb of mass 30 kg at rest exploded into two pieces of masses 18 kg
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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