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If by mistake voltmeter is connected in series and ammeter in parallel then
Options
(a) both are damaged
(b) ammeter is damaged
(c) voltmeter is damaged
(d) none of these
Correct Answer:
none of these
Explanation:
A voltmeter is having a high resistance. If it is connected in series, current will not pass in the circuit. By connecting an ammeter in parallel, because of the shunt, very little current would have passed through an ammeter in series. When it is in parallel, most of the current will pass through the shunt. One tries to pass less current. Both will not be damaged, but both will not show correct readings.
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Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Two spheres A and B of masses m and m respectively collide. A is at rest initially
- An ideal spring with spring constant K is hung from the ceiling and a block of mass
- For a thermocouple, the neutral temperature is 270⁰C when its cold junction is at 20⁰C.
- An engine has an efficiency of 1/6. When the temperature of sink is reduced
- A particle of mass ‘m’ is kept at rest at a height 3R from the surface of earth
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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