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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.
Related Questions: - A photoelectric surface is illuminated successively by monochromatic light of wavelength
- The young’s modulus of steel is twice that of brass. Two wires of same length
- Thin uniform rod of length L, cross-sectional area A and density ρ is rotated
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Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A photoelectric surface is illuminated successively by monochromatic light of wavelength
- The young’s modulus of steel is twice that of brass. Two wires of same length
- Thin uniform rod of length L, cross-sectional area A and density ρ is rotated
- A change of 0.04 V takes place between the base and the emitter when an input
- If threshold wevelength for sodium is 6800 Å, the work function will be
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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