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imran
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imran
Asked: May 1, 2023In: Education

Calculate the convection current when electron density of 200 units is travelling at a speed of 12m/s. a) 16.67 b) 2400 c) 2880 d) 0.06

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mechanical
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imran
Asked: May 1, 2023In: Education

Find the conduction current density when conductivity of a material is 500 units and corresponding electric field is 2 units. a) 500 b) 250 c) 1000 d) 2000

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mechanical
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imran
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imran
Asked: May 1, 2023In: Education

The current flowing through an insulating medium is called a) Conduction b) Convection c) Radiation d) Susceptibility

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mechanical
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imran
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imran
Asked: May 1, 2023In: Education

For conductors, the free electrons will exist at a) Valence band b) Middle of valence and conduction band c) Will not exist d) Conduction band

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mechanical
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imran
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imran
Asked: May 1, 2023In: Education

The current in a metal at any frequency is due to a) Conduction current b) Displacement current c) Both conduction and displacement current d) Neither conduction nor displacement current

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mechanical
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imran
Asked: May 1, 2023In: Education

Alternating current measured in a transmission line will be a) Peak value b) Average value c) RMS value d) Zero

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mechanical
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imran
Asked: May 1, 2023In: Education

Find the band gap energy when a light of wavelength 1240nm is incident on it. a) 1eV b) 2eV c) 3eV d) 4eV

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mechanical
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imran
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imran
Asked: May 1, 2023In: Education

Conduction in metals is due to a) Electrons only b) Electrons and holes c) Holes only d) Applied electric field

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mechanical
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imran
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imran
Asked: May 1, 2023In: Education

Find the range of band gap energy for conductors. a) >6 eV b) 0.2-0.4 eV c) 0.4-2 eV d) 2-6 eV

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mechanical
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imran
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imran
Asked: May 1, 2023In: Education

Which of the following are conductors? a) Ceramics b) Plastics c) Mercury d) Rubber

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mechanical
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