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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: - Copper and carbon wires are connected in series and the combined resistor is kept
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- Young’s modulus of perfectly rigid body material is
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Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Copper and carbon wires are connected in series and the combined resistor is kept
- The power obtained in a reactor using U²³⁵ disintegration is 1000 kW
- Young’s modulus of perfectly rigid body material is
- An electric motor runs on DC source of emf 200 V and draws a current of 10 A.
- The initial rate of increase of current, when a battery of emf 6 V is connected
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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