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symbol stands for variable resistor....

symbol stands for variable resistor.

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IUCN stands for

BOD stands for:

MAB stands for.

A 24 V battery of internal resistance 4Omega is connected to a variable resistor. AT what value of the current drawn form the battery is the rate of heat produced in the resistor maximum?

GEAC stands for:

ICBN stands for:

Draw the following electrical symbols: variable resistance

If the current supplied to a variable resistor is constant, draw a graph between voltage and resistance.

A cell of emf E and internal resistance r is connected across a variable resistor R. plot the shape of graph showing the variation of terminal voltage V with (i)R and (ii) circuit current 'I'.

MODERN PUBLICATION-ELECTRICITY-EXERCISE
  1. For a continuous flow of current through a wire, the potential differe...

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  2. Electrochemical cell is a device which maintains a constant potential ...

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  3. symbol stands for variable resistor.

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  4. The current flows in a metal wire due to movement of electrons, wherea...

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  5. The resistance of copper is more than nichrome.

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  6. The best conductor of electricity is:

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  7. Constaitan is used as a standard resistor. Is the statement true or fa...

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  8. Electrical conductance of metals decreases with increase in temperatur...

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  9. The resistivity of a substance depends on its length and area of cross...

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  10. Ohm's law is a universal law. Is this statement true.

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  11. The following graph is for ohmic conductor. .Is this statement true.

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  12. Argon or nitrogen is filled up in place of air in bulb to increase the...

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  13. Show 1 watt=(1 ampere)xx(1 volt)

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  14. What is meant by the BOTU (or Board of Trade unit) of electric energy?

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  15. From rated value of power and potential difference the resistance of t...

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  16. Fill ups Electric potential at a point is the …………….in moving a ………….....

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  17. Fill ups …………xxV=W

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  18. Fill ups 1Axx1s=……………..

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  19. Fill ups Q= Ixx……………

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  20. Fill ups Electric current through an area is the amount of ………….flowin...

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