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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: - An ideal gas is expanding such that PT²=constant. The coefficient of volume
- A charge of 40 µC is given to a capacitor having capacitance C=10 µF
- An object placed at 20 cm in front of a concave mirror produces three times
- When a mass m is attached to a spring, it normally extends by 0.2 m.
- A particle of masses m is thrown upwards from the surface of the earth, with a velocity u
Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- An ideal gas is expanding such that PT²=constant. The coefficient of volume
- A charge of 40 µC is given to a capacitor having capacitance C=10 µF
- An object placed at 20 cm in front of a concave mirror produces three times
- When a mass m is attached to a spring, it normally extends by 0.2 m.
- A particle of masses m is thrown upwards from the surface of the earth, with a velocity u
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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