Which of the following statements is NOT correct?

a

A galvanometer can be converted to an ammeter with a different range by connecting a high resistance in series

b

An electric current always produces a magnetic field

c

Maxwell's screw rule states that if a corkscrew moves inthe direction of the current, the hand turns in the direction of the lines of force

d

Electromagnets are used in electric bells and telephone recievers

e

The lines of force round a straight current carrying conductor are circular

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a

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Discussions (4)

Sensei
2 weeks ago

rubbish everything here is same thing

Oyekolasemilore
1 year ago

yes this is correct
a shunt is connected with it in series not "high resistance in series"

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