Draw a circuit diagram to show how two 4...

Draw a circuit diagram to show how two 4V electric lamps can be lit brightly from two 2V cells.

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(a) Which is the better way to connect lights and other electrical appliances in domestic wiring: series circuits or parallel circuits? Why? (b) Christmas tree lamps are usually wired in series. What happens if one lamp breaks? (c) An electrician has wired a house in such a way that if a lamp gets fused in one room of the house, all the lamps in other rooms of the house stop working. What is the defect in the wiring? (d) Draw a circuit diagram showing two electric lamps connected in parallel together with a cell and a switch that works both lamps. Mark an A on your diagram to show where an ammeter should be placed to measure the current.

Draw a circuit diagram to show how 3 bulbs can be lit from a battery so that 2 bulbs are controlled by the same switch while the third bulb has its own switch.

(a) Draw a circuit diagram to show how a soft iron piece can be transformed into an electromagnet. (b) Describe how an electromagnet could be used to separate copper from iron in a scrap yard.

Two lamps, one rated 40W at 220V and the other 60W at 220 V, are connected in parallel to the electric supply at 220V. (a) Draw a circuit diagram to show the connections. (b) Calculate the current drawn from the electric supply. (c) Calculate the total energy consumed by the two lamps together when they operate for one hour.

Two lamps, one rated 40 W at 220 V and the other 100 W at 220 V, are connected in parallel to the electric supply at 220V. (a) Draw a circuit diagram to show the connections. (b) Calculate the current drawn from the electric supply. (c) Calculate the total energy consumed by the two lamps together when they operate for one hour.

(a) Draw a circuit diagram showing two lamps, one cell and a switch connected in series. (b) How can you change the brightness of the lamps?

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LAKHMIR SINGH & MANJIT KAUR-ELECTRICITY -Exercise

What happens to the other bulbs in a parallel circuit if one bulb blow...
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Which types of circuit, series or parallel, is preferred while connect...
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Draw a circuit diagram to show how two 4V electric lamps can be lit br...
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Why is a series arrangement not used for connecting domestic electrica...
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Why is a series arrangement not used for connecting domestic electrica...
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Consider the circuits given below: (a) In which circuit are the ...
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If you were going to connect two light bulbs to one battery, would you...
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(a) Which is the better way to connect lights and other electrical app...
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The lamps in a household circuit are connected in parallel because: ...
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Using the circuit given below, state which of the following statemet i...
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(a) Draw a circuit diagram showing two lamps, one cell and a switch co...
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Consider the circuit given below where A,B and C are three identical l...
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How do you think the brightness of two lamps arranged in parallel comp...
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If current flows through two lamps arranged: (a) in series, (b) in...
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The figure below shows a variable resistor in a dimmer switch. Ho...
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State two factors on which the electrical energy consumed by an electr...
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Which one has a higher electrical resistance: a 100 watt bulb or a 60 ...
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COMMERCIAL UNIT OF ENERGY
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An electric bulb is rated at 220V, 100W. What is its resistance?
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What is the SI unit of (i) electric energy, and (ii) electric power?
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