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Question
A galvanometer with a high resistance in series is used in parallel in a circuit. It is called
A galvanometer with a high resistance in series is used in parallel in a circuit. It is called
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Solution
The correct option is B Voltmeter
Since galvanometer is a very sensitive instrument so that it can not measure heavy or high voltages to make it to do so we have to add some high resistance in series with it , then it is called A voltmeter. A high resistance is used in series because it makes total net resistance more high hence it draws no current from circuit and all of the current goes through the element across which voltage is to be measured hence more accurate value is obtained.
Since galvanometer is a very sensitive instrument so that it can not measure heavy or high voltages to make it to do so we have to add some high resistance in series with it , then it is called A voltmeter.
A high resistance is used in series because it makes total net resistance more high hence it draws no current from circuit and all of the current goes through the element across which voltage is to be measured hence more accurate value is obtained.
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