जब किसी तार से विद्युत धारा प्रवाहित होती है, तो तार गर्म हो जाता है। निम्नलिखित में से कौन सा उपकरण इस गुण का उपयोग करता है?

Why are electric bulbs filled with nitrogen and argon gases instead of air?

Which material is extensively used to manufacture the heating elements of most domestic electrical appliances?

A heating element of an electric heater is made of a material characterized by high resistivity and a high melting point. Which of the following electrical properties is most crucial for its fundamental function of generating heat via Joule heating?