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An electric bulb rated 60 w is used 10 h...

An electric bulb rated 60 w is used 10 hours per day for 20 days. If the cost of a unit is Rs 3.00 find the energy bill.

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An electric appliances rated 400 w is used 5 hours per day in the month of june. If the cost of a unit is Rs 3.00 find the energy bill for june.

Two electric bulbs rated 60 w and 40 w respectively. are used 5 hours per day for 20 days . If the cost of a unit is Rs 4.00 find the cost of the energy used.

An electric appliance of rating 1600 W is running for 2 hrs/day. If the cost of unit is 3.00, find the cost of energy consumed for the month of November.

An electric geyser rated 500 W operates one hour/day. If the cost of unit is 3.00, find the cost of energy to operate it for the month of August.

An electric iron rated 750 W operates 2 hours/day. If the cost of unit is 3 rs. per KWh. Find the cost of energy to operate electric iron for 30 days.

Solve the following examples/ numerical problems. An electric appliances of rating 300 w is used 5 hours per day in the month of march . Find the number of units consumed.?

A washing maching rated 300 W opertes one hour/day.If the cost of unit is rs.3.00 find the cost of the energy to operate a washing machine for the month March.

An electric appliances of rating 800 w is used 4 hours per day in the month of december. Find the number of units consumed.

Solve the following examples: An electric bulb of 40 W is used for 25 days at 10 hours per day. Find the units of energy consumed by the bulb and the cost of using electricity at the rate Rs. 2 per unit.

An electric bulb of 40 W is used for 50 days at 5 hours per day. Find the units of energy consumed by the bulb and the cost of using electricity at the rate Rs. 3 per unit.

NAVNEET PUBLICATION-EFFECTS OF ELECTRIC CURRENT-EXERCISE
  1. An electric iron of 1100 W is operated for 2 hrs. daily. What will be ...

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  2. Solve the following examples/ numerical problems. Find the heat prod...

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  3. Solve the following examples/ numerical problems. Calculate the heat...

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  4. Solve the following examples/ numerical problems. A potential differ...

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  5. Solve the following examples/ numerical problems. A potential differ...

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  6. When the voltage applied across a bulb is 220 v the current passing th...

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  7. A bulb of 100 w is connected across a source of 220 v. Find the curren...

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  8. A bulb of 60 w is connected across a source of 240 v . Find the resist...

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  9. If the current passing through a bulb is 0.15 A and the power of the b...

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  10. An electric appliances of rating 800 w is used 4 hours per day in the ...

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  11. An electric appliances rated 400 w is used 5 hours per day in the mont...

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  12. An electric bulb rated 60 w is used 10 hours per day for 20 days. If t...

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  13. Two electric bulbs rated 60 w and 40 w respectively. are used 5 hours ...

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  14. Find the heat produced in joule if a current of 0.1 A is passed throug...

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  15. Calculate the heat produced in calorie when a current of 0.1 A is pas...

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  16. Calculate the heat produced in calorie when a current of 0.2 A is pas...

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  17. Find the heat produced in calorie when a current of 0.2 A is passed th...

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  18. A potential difference of 100 v is applied across a wire of resistance...

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  19. A potential difference of 100 v is applied across a wire for two minut...

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  20. A potential difference of 100 v is applied across a wire for 6 minutes...

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