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Potentiometer

To convert a ...

Question

To convert a galvanometer into an ammeter we connect

A

Low resistance in series

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B

Low resistance in parallel

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C

High resistance in series

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D

High resistance in parallel

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Solution

The correct option is B Low resistance in parallel
To convert a galvanometer into an ammeter, a low resistance is used in parallel.

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Similar questions

Q. Consider the following statements.

1

. A galvanometer is converted into an ammeter when we connect a low resistance in parallel.

2

. A galvanometer is converted into a voltmeter when we connect a high resistance in series.

3

. The conductivity of superconductor is infinite.
Which of the statement(s) given is/are correct?

Q. A galvanometer of resistance

100 Ω

gives full scale deflection with 0.01 A current. How much resistance should be connected in parallel to convert it into an ammeter of range 10 A?

Q. To convert a galvanometer into an ammeter a small resistance

S

(called the shunt) is connected in parallel with a galvanometer. A galvanometer has resistance

G

and full scale deflection current

i

. To convert this galvanometer into an ammeter of range 10 i, a shunt

S = \frac{G}{9}

is connected in parallel with G.

Now we want to measure the potential difference with the help of this ammeter. The maximum value of potential difference which can be measured with the help of this is:

Q. How is a galvanometer converted into a volmeter and an ammeter? Draw the relevant diagrams and find the resistance of the arrangement in each case.
Take resistance of galvanometer as

G

Q. If we want to change a galvanometer into an ammeter extra resistance required is

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