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तामिळनाडू बोर्ड ऑफ सेकेंडरी एज्युकेशनएस.एस.एल.सी. (इंग्रजी माध्यम) इयत्ता १०

One unit of electrical energy consumed is equal to 1000 kilowatt hour. - Science

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प्रश्न

One unit of electrical energy consumed is equal to 1000 kilowatt-hour.

पर्याय

  • True

  • False

MCQ
चूक किंवा बरोबर

उत्तर

One unit of electrical energy consumed is equal to 1000 kilowatt-hour - true.

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 4: Electricity - Evaluation [पृष्ठ ५६]

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सामाचीर कलवी Science [English] Class 10 SSLC TN Board
पाठ 4 Electricity
Evaluation | Q III. 4. | पृष्ठ ५६

संबंधित प्रश्‍न

How many microamperes are there in 1 ampere?


In 10 s, charge of 25 C leaves a battery, and 200 J of energy are delivered to an outside circuit a result. 

What is the p.d. across the battery?


If the amount of electric charge passing through a conductor in 10 minutes is 300 C, the current flowing is:

(a) 30 A
(b) 0.3 A
(c) 0.5 A
(d) 5 A


Ten bulbs are connected in a series circuit to a power supply line. Ten identical bulbs are connected in a parallel circuit to an identical power supply line. 

(b) In which circuit, if one bulbs be brighter?


Consider the circuit given below when A, B and C are three identical light bulbs of constant resistance.   

(a) List the bulbs in order of increasing brightness.
(b) If C burns out, what will be the brightness of A now compared with before?
(c) If B burns out instead, what will be the brightness of A and C compared with before?


What do you mean by watt-hour?

Explain with the help of a diagram how does 'short circuiting' occur in an electric kettle.


Calculate the current through a 60 W lamp rated 250 V. If the line voltage falls to 200 V, how is power consumed by the bulb affected?


A current of 0.2 A flows through a wire whose ends are at a potential difference of 15 V. Calculate:

(i) The resistance of the wire, and

(ii) The heat energy produced in 1 minute.


A current of 1 A is drawn by a filament of an electric bulb. Number of electrons passing through a cross section of the filament in 16 seconds would be roughly


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