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If T.V.of rating 10 W is operated for 6 ...

If T.V.of rating 10 W is operated for 6 hr per day,find the number of units consumed in a leap year.

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If a TV of rating 100 W is operated for 6 hours per day, find the number of units consumed in a leap year.

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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.?

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

A 300 W T.V is operated every day for 6 hr. Find the electrical energy (no.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.

An electric bulb is rated 220 V and 100 W. When it is operated on 110 V, find the power consumed by the bulb.

Solve the following examples/ numerical problems. A electric iron rated 750 w is operated for 2 hours/ day. How much energy is consumed by the electric iron for 30 days ?

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CHETANA PUBLICATION-EFFECTS OF ELECTRIC CURRENT-EXAMPLE
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  3. Find the odd word out Voltmeter,Ammeter,Thermometer,Galvanometer

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  4. Find the odd word out Loudspeaker,Microphone,Electric motor,Magnet

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  5. Find the odd word out Armature coil,Burshes,Magnet direct current

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  6. Find the odd word out Refrigerator, Electric fan ,Mixture, Electric...

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  8. Find the odd one out : Electric heater,Electric bulb,Electric fuse,Ele...

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  9. Find the odd word out Electric bell,Electric fuse,solenoid,Mircroph...

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  10. What is heating effect of an electric current?

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  11. What are the appliances that work on the principle of heating effect o...

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  12. What is solenoid?

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  13. What is electric motor?

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  14. What do you understand by the term"Direct current(D.C.)?

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  15. What is alternating currect(A.C)?

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  16. Name two types of electric current?

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  17. Name the types of electric generator.

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  18. Name the three types of wires or calbes used in domestic electric circ...

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  19. Which electrical appliance converts electrical energy into mechanical ...

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  20. What Is the frequency of alternating current (A.C.) ?

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  21. What do you mean by induced currect?

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