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Statement I : The wires supplying curren...

Statement I : The wires supplying current to an electric heater are not heated appreciably.
Statement II: Resistance of connecting wires is very small and `H prop R`.

A

Statement I is True , Statement II is True , Statement II is a correct explanation for Statement I.

B

Statement I is True, Statement II is True , Statement II is NOT a correct explanation for statement I.

C

Statement I is True , Statement is False.

D

Statement I is False, Statement II is True.

Text Solution

Verified by Experts

The correct Answer is:
A
Resistance of the connecting wires is much smaller than the electric appliances to which current is supplied by the wires.
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Knowledge Check

  • Statement I : The resistance of a copper wire varies directly as the length and diameter. Statement II : Because the resistance varies inversely the area of cross-section.

    A
    If both Statement- I and Statement- II are true, and Statement - II is the correct explanation of Statement– I.
    B
    If both Statement - I and Statement - II are true but Statement - II is not the correct explanation of Statement – I.
    C
    If Statement - I is true but Statement - II is false.
    D
    If Statement - I is false but Statement - II is true.

  • Statement I: Heater wire must have high resistance than connecting wires and high netallic point. Statement II : If resistance is high , the electrical conductivity will be less.

    A
    Statement I is True , Statement II is True , Statement II is a correct explanation for Statement I.
    B
    Statement I is True, Statement II is True , Statement II is NOT a correct explanation for statement I.
    C
    Statement I is True , Statement is False.
    D
    Statement I is False, Statement II is True.

  • Statement I : Material used in the construction of a standard resistance is constantan or manganin. Statement II : Its temperature coefficient of resistance is very small.

    A
    If both Statement- I and Statement- II are true, and Statement - II is the correct explanation of Statement– I.
    B
    If both Statement - I and Statement - II are true but Statement - II is not the correct explanation of Statement – I.
    C
    If Statement - I is true but Statement - II is false.
    D
    If Statement - I is false but Statement - II is true.