Read the given statements and select the correct
option.
Statement 1 : Electric appliances with metallic body
have three pin connections, whereas an electric bulb
has two pin connections.
Statement 2 : Three pin connections reduce heating
of connecting wires.
A. Both statements 1 and 2 are true and statement 2
is the correct explanation of statement 1
B. Both statements 1 and 2 are true but statement 2
is not the correct explanation of statement 1.
C. Statement 1 is true but statement 2 is false.
Both statements 1 and 2 are false.
Answers
Answer. C is answer.............
..
Explanation:
Statement 1 is true but statement 2 is false. Option C is correct.
Explanation:
Statement 1 is that the electric appliances with metallic body have three pin connections, whereas an electric bulb has two pin connections.
This is because the third pin which is the largest pin is the pin of earthing whose function is too direct the current towards the ground and make potential difference zero. So people using that appliances does not get a shock accidently, if some fault occurs in the appliance.
Earthing wire is connected to the metallic surface which is holded by the user and the ground terminal through the switch.
Statement 2 is that the three pin connections reduce heating is false.
This is because heating depends upon the usage of the appliance and the power output generated by that appliance. There is no connection between the heating and earthing. coolants or some other procedures are used to reduce heat.