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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
- The temperature of a metal block is increased from 27⁰C to 84⁰C. The rate of radiated energy
- If a solid ball of metal has a concentric spherical cavity with in it if the ball
- If a proton, a deuteron and an alpha particle, on being accelerated by the same
- An engine pumps water continuously through a hose. Water leaves the hose
- A cylindrical capacitors has charge Q and length L. If both the charge and length
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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