Assertion : Electric appliances with metallic body. e.g., heaters, presses etc., have three pin connections, whereas an electric bulb has a two pin connection. Reason : Three pin connections reduce heating of connecting cables.

• A

  If both assertion and reason are true and reason is the correct explanation of assertion.
• B

  If both assertion and reason are true but reason is not the correct explanation of assertion.
• Correct answer
  C

  If assertion is true but reason is false.
• D

  If both assertion and reason are false.

Hence, the correct answer is option: 'C'.