Statement I: Compass cannot be used to test low current in a wire.
Statement II: LED is a cheap tester as compared to compass.

Which of the following statement is correct?

Only statement I is correct.

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Only statement II is correct.

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Both the statements are correct.

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Both the statements are incorrect.

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Solution

The correct option is B Only statement II is correct.
Compass needle deflects less if the amount of current in the current-carrying wire is less, and the same needle deflects more when the amount of current flowing through the current-carrying conductor is high.

LED is a comparatively a cheaper tester than a compass.

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Similar questions

Study the given statements.
(i) A compass is used to show the directions.
(ii) The needle of a compass is magnetic.
(iii) The needle of a compass always indicates the north and the south directions of the earth.
Identify the correct statements.

Q. A plotting compass is placed close to a current carrying wire as shown in the figure. Which of the following compasses rightly depicts the direction of needle inside the compass?

Q. Which of the following is the correct statement about a magnetic compass?

Question 2 (vi)

State whether the following statement is true or false.
A compass can be used to find East-West direction at any place.

Q. Which of the following statements is/are correct?
(i) In octahedral complexes,

t_{2 g}

orbitals possess low energy as compared to

e_{g}

orbitals.
(ii) In tetrahedral complexes,

t_{2 g}

orbitals possess high energy as compared to

e_{g}

orbitals.
(iii) In octahedral complexes,

e_{g}

orbitals possess low energy as compared to

t_{2 g}

orbitals.

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Statement I: Compass cannot be used to test low current in a wire. Statement II: LED is a cheap tester as compared to compass. Which of the following statement is correct?

Statement I: Compass cannot be used to test low current in a wire.
Statement II: LED is a cheap tester as compared to compass.

Which of the following statement is correct?