Current Electricity Exercise 9c
Please Select
Q1 What is meant by the efficient use of energy?
Solution :
Q2 State two ways to save the energy
Solution :
Q3 How does proper insulation of home save energy
Solution :
Q4 Which of the following device is most efficient for lighting purpose:
LED, CFL, Fluorescent tube light, Electric bulb
Solution :
Q5 Give an example to explain that the use of modern eco-friendly technologies is more efficient and less polluting
Solution :
Q6 Describe three ways for the efficient use of energy.
Solution :
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Q7 What social initiatives must be taken for the sensitive use of energy
Solution :
Multiple Choice Question
Q1 The most non-polluting and efficient lighting device is:
(a) CFL
(b) LED
(c) Fluorescent light
(d) Electric bulb
Solution :
Q2 IEA is the short form of:
(a) Indian Energy Association
(b) Indian Eco Academy
(c) International Energy Agency
(d) International Eco Academy
Solution :
