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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: - For an ideal gas of diatomic molecules
- A body of mass 2 kg is kept by pressing to a vertical wall by a force of 100 N
- During an adiabatic process, the pressure of a gas is found to be proportional
- The ionisation potential of hydrogen-atom is -13.6 eV. An electron in the groundstate
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Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- For an ideal gas of diatomic molecules
- A body of mass 2 kg is kept by pressing to a vertical wall by a force of 100 N
- During an adiabatic process, the pressure of a gas is found to be proportional
- The ionisation potential of hydrogen-atom is -13.6 eV. An electron in the groundstate
- A man measures time period of a pendulum(T) in stationary lift. If the lift moves upwards
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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