The physical quantity having unit henry is MCQ with Answer and Explanation

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The physical quantity having unit henry is

A. Conductance

B. Resistance

C. Capacitance

D. Inductance

Answer: Option D

Solution (By JKSSB Mock Tests)

Henry (H) = V·s/A = Ω·s.

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Question #1

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The time period of a satellite in geostationary orbit is

A. 12 hours

B. 24 hours

C. 1 month

D. 365 days

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Correct Answer: Option B

Explanation:
Geostationary orbit period equals Earth's rotation period, 24 hours.

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Question #2

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The energy equivalent of 1 g mass is

A. 9×10¹⁰ J

B. 3×10⁸ J

C. 9×10¹³ J

D. 9×10¹⁶ J

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Correct Answer: Option C

Explanation:
E = mc² = 0.001 kg × (3×10⁸)² = 0.001 × 9×10¹⁶ = 9×10¹³ J. Enormous energy. 1 g mass if fully converted gives this. Atomic bomb converts small fraction.

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Question #3

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The weight of a body at Earth's centre is

A. Half of surface

B. Zero

C. Maximum

D. Same as surface

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Correct Answer: Option B

Explanation:
g=0 at centre, so weight zero.

This question belongs to: Science Physics

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