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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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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- 64 drops of mercury, each charged to a potential of 10 V, are combined
- If A=3i+4j and B=7i+24j the vector having the same magnitude as B and parallel to A is
- The frequency of light ray having the wavelength 3000Å is
- Changing magnetic fields can set up current loops in nearby metal bodies
- The half-life of a radioactive substance is 30 min. The time (in minutes) taken
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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