Which of the following is a non-ohmic conductor? MCQ with Answer and Explanation

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Which of the following is a non-ohmic conductor?

A. Copper wire

B. Diode

C. Silver wire

D. Iron wire

Answer: Option B

Solution (By JKExamLibrary)

Diode has non-linear I-V characteristic. Metals are ohmic.

This question belongs to: Science Physics

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Practice More Physics Questions

Question #1 Report Error

Which scientist formulated the laws of electromagnetic induction?

A. Maxwell

B. Ampere

C. Oersted

D. Faraday

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Correct Answer: Option D

Explanation:
Michael Faraday discovered electromagnetic induction (1831). Oersted found magnetic effect of current.

This question belongs to: Science Physics

Question #2 Report Error

A body of mass 2 kg is raised to height 10 m and dropped. Potential energy just before dropping is (g=10)

A. 100 J

B. 20 J

C. 200 J

D. 0 J

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Correct Answer: Option C

Explanation:
PE = mgh = 2×10×10 = 200 J.

This question belongs to: Science Physics

Question #3 Report Error

The heat required to convert 1 g of water at 100°C to steam at 100°C is (latent heat 540 cal/g)

A. 80 cal

B. 540 cal

C. 100 cal

D. 1000 cal

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Correct Answer: Option B

Explanation:
Latent heat of vaporisation, 540 cal/g.

This question belongs to: Science Physics

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