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Two resistors of resistance 4 ohm and 12...

Two resistors of resistance 4 ohm and 12 ohm are connected
in series. Calculate the values of effective resistance in each case.

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MODERN PUBLICATION-ELECTRICITY-EXERCISE
  1. State Ohm's law. Write the symbols used in electric circuit to represe...

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  2. Two resistors of resistance 4 ohm and 12 ohm are connected in parallel...

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  3. Two resistors of resistance 4 ohm and 12 ohm are connected in series. ...

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  4. The electric powr consumed by a device may be calculate by using eithe...

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  5. Explain the following : Why is the tungsten used almost exclusively fo...

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  6. Explain the following : Why are copper and aluminium usually employed ...

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  7. State ohm's law. Write the necessary conditins for its validity. How i...

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  8. In a household electric circuit, different appliances are connected in...

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  9. What is joule's heating effect? List applications of joule's heating e...

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  10. What is meant by saying that the potential difference between two poin...

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  11. How much energy is given to 5 couolomb of charge passing through a 12 ...

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  12. An electric heater coil if connected to a 230 V source if the resistan...

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  13. On what factors does the resistance of a conductor depend?

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  14. Two resistos with resistance 5 ohm and 10 ohm respectively are to be c...

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  15. Two resistos with resistance 5 ohm and 10 ohm respectively are to be c...

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  16. A current of 1A flows on a wire for 5 minutes, find the amount of elec...

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  17. How much work is done in moving a charge of 5C between two points in a...

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  18. An electric bulb is connected to a 220 V source. If the resistance of ...

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  19. An electric heater coils is connect to a 220 V source. If the resistan...

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  20. Resistance of a metal wire of length 2 m is 40 ohm. If the diameter of...

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