Assertion : Through the same current flows through the line wires and the filament of the bulb but heat produced in the filament is much higher then that in line wires. Reason : The filament of bulbs is made of a material of high resistance and high melting point.

• A. If both assertion and reason are true and the reason is the correct explanation of the assertion.
• B. If both assertion and reason are true but reason is not the correct explanation of the assertion.
• C. Due to temperature effect
• D. If the assertion and reason both are false.
• E. If assertion is false but reason is true.