Answer:
(a) Mr Sharma is not bothered to check,
spend thrift and shares responsibility. (1)
(b) His son is logical,
thoughtful and practical. (1)
(c) Electric bell works on the
principle of magneticeffect of electric current. (1)
Magnetic Effect of Electric
Current When electric current flows through a conductor, amagnetic field is
produced around it. This is called magnetic effect of electric current. (1)
Electromagnet is also a
practical application of magnetic effect of electric current. (1)
Or
(a) Sakshi is concerned on fuel
conservation, consciousof environment pollution and punctual. (1)
(b) Sohan needs to be more
punctual. The driver must become more accommodating, nature Concerned and respect
others views. (1)
(c) Sakshi asks the driver to
close the engine to savethe fuel. (1)
(d) Burning of fuel is chemical
change. (1)
(e) The fuel used in the bus is
petroleum, which is anon-renewable source of energy. (1)
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