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A battery of e.m.f. 12 V and internal re...

A battery of e.m.f. 12 V and internal resistance 2 `Omega` is connected with two resistors A and B of resistance 4 `Omega` and 6 `Omega` respectively joined in series.

Find Electrical energy spent per minute in 4 `Omega` Resistor.

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`W= I^2 RT = 240 J`
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ICSE-SELF ASSESSMENT PAPER 4-SECTION-B
  1. A battery of e.m.f. 12 V and internal resistance 2 Omega is connected ...

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  2. A battery of e.m.f. 12 V and internal resistance 2 Omega is connected ...

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  3. A battery of e.m.f. 12 V and internal resistance 2 Omega is connected ...

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  4. Name the liquid which has the highest specific heat capacity.

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  5. Name two factors on which the heat absorbed or given out by a body dep...

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  6. An equal quantity of heat is supplied to two substances A and B. The s...

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  7. State in brief, the meaning of each of the following: The heat capac...

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  8. State in brief, the meaning of each of the following: The specific l...

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  9. State in brief, the meaning of each of the following: The specific h...

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  10. Radioactive materials as an alternative source of energy must be wisel...

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  11. An engine can pump 30,000 L of water to a vertical height of 45 m in 1...

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  12. An object of mass 'm' is allowed to fall freely from a point A as show...

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  13. An object of mass 'm' is allowed to fall freely from a point A as show...

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  14. An object of mass 'm' is allowed to fall freely from a point A as show...

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  15. State three characteristics of musical sound.

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  16. How does the musical sound differ from the noise?

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  17. A nut is opened by a wrench of length 20 cm. If the least force requir...

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  18. Can the centre of mass of a body be at a point outside the body?

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  19. A nucleus ""(11)Na^(24) emits a beta particle to change into Magnesium...

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  20. A nucleus ""(11)Na^(24) emits a beta-particle to change into magnesium...

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