हिंदी
तमिलनाडु बोर्ड ऑफ सेकेंडरी एज्युकेशनएसएसएलसी (अंग्रेजी माध्यम) कक्षा १०

Kilowatt hour is the unit of

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प्रश्न

Kilowatt hour is the unit of

विकल्प

  • resistivity

  • conductivity

  • electrical energy

  • electrical power

MCQ
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उत्तर

Electrical energy

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  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 4: Electricity - Evaluation [पृष्ठ ५५]

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सामाचीर कलवी Science [English] Class 10 SSLC TN Board
अध्याय 4 Electricity
Evaluation | Q I. 4. | पृष्ठ ५५

संबंधित प्रश्न

By what name is the physical quantity coulomb/second called?


What is the current in a circuit if the charge passing each point is 20 C in 40 s?


A student made an electric circuit shown here to measure the current through two lamps.

Are the lamps in series or parallel?  

(a) Are the lamps in series or parallel?
(b) The student has made a mistake in this circuit. What is the mistake?
(c) Draw a circuit diagram to show the correct way to connect the circuit. Use the proper circuit symbols in your diagram. 


(a) With the help of a circuit diagram, obtain the relation for the equivalent resistance of two resistances connected in parallel.
(b) In the circuit diagram shown below, find:

(i) Total resistance.
(ii) Current shown by the ammeter 


Draw a circuit diagram showing two electric lamps connected in parallel together with a cell and a switch that works both lamps. Mark an â’¶ on your diagram to show where an ammeter should be placed to measure the current.


If the current passing through a conductor is doubled, what will be the change in heat produced


What will be the current drawn by an electric bulb of 40 W when it is connected to a source of 220 V?

Many electrical appliances and circuits are earthed grounded. What is the reason for this?

What is the function of a step-up transformer?


An electrical appliance is rated at 1000 KVA, 220V. If the appliance is operated for 2 hours, calculate the energy consumed by the appliance in: (i) kWh (ii) joule.


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