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CURRENT ELECTRICITY
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KUMAR PRAKASHAN-CURRENT ELECTRICITY-SECTION [A] TRY YOURSELF
- What is reason behind producing electric force between two particles ?
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- When current is produced?
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- "In lightening in the sky, there is steady flow of charge" . - True o...
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- Define electric current and write its SI unit.
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- Define electric current when there is no steady flow of charge.
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- What is direction of conventional current ?
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- What is order of current flowing in nerves of our body?
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- What is order of current flowing during lightening in the sky ?
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- Due to what current is formed in conductors ?
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- Due to what current is formed in electrolyte ?
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- Why current is not formed in solid conductors in absence of electric f...
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- Write Ohm's law
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- What is electrical resistance ? Its value depend on which factors ?
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- What is resistivity ? Its value depend on which factors?
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- What is conductivity ? Value of conductivity depend on which factor ?
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- What is current density ? Derive Ohm's law in form of current density?
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- What is current density ? Derive Ohm's law in form of current density?
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- Whey average velocity of electron at time tis zero?
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- What is relaxation time (tau) ?
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- What is drift velocity (v(d))?
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