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SUBHASH PUBLICATION-CURRENT ELECTRICITY-TWO MARK QUESTIONS AND ANSWERS
- Mention any two effects of current.
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- Mention any two factors on which the internal resistance of the cell d...
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- Mention the unit of current density. Say whether current density is a ...
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- Write the dimensional formula for voltage
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- Write the dimensional formula for resistivity.
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- State Kirchhoff's laws of Electrical network.
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- P, Q, S, R are four resistances arranged in a cyclic order in a Wheats...
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- What are electrical conductors? Give an example.
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- What are insulators? Give an example.
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- Two bulbs 110 V / 10 Wand 110 V / 40W are connected in series and acro...
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- Two heaters rated 220 V / 1 kW and 220 V / 3 kW are connected in paral...
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- If E(1) , E(2),E(3) ... E(n) represent emfs of a number of cells of in...
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- If a number of cells are connected in parallel then write their equiva...
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- In the network shown below, find I.
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- What is a potentiometer?
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- Give the formula to determine internal resistance of a cell using a po...
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- How does the emf of a cell depend on the balancing length obtained in ...
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- Give the expression for power wasted in connecting wires.
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- Give any two practical limitations of Ohm's law.
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