The unit of magnetic field strength is MCQ with Answer and Explanation

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The unit of magnetic field strength is

A. Tesla

B. Weber

C. Henry

D. Farad

Answer: Option A

Solution (By JKSSB Mock Tests)

Tesla (T) = N/(A·m) = Wb/m². Weber is magnetic flux. Henry is inductance. Farad is capacitance. Gauss is another unit (1 T = 10⁴ G).

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A transformer with 100 primary turns and 500 secondary turns is a

A. Step-down transformer

B. Isolation transformer

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Correct Answer: Option C

Explanation:
Ns > Np => step-up. Vs > Vp.

This question belongs to: Science Physics

Question #2

The force between two charges is 10 N in vacuum. If a dielectric of constant 5 is inserted, force becomes

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Correct Answer: Option B

Explanation:
F_medium = F_vacuum / K = 10/5 = 2 N.

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Question #3

The instrument to measure pressure difference is

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Correct Answer: Option C

Explanation:
Manometer measures pressure difference, often U-tube. Barometer measures atmospheric pressure.

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