निम्नलिखित में से किस स्थिति में बल्ब से विद्युत धारा प्रवाहित नहीं होगी, जिससे वह दीप्त होना (जलना) बंद कर देगा?

Which of the following conditions is required for maintaining a continuous flow of electric current in a circuit?

A _______ is a passive two-terminal electrical component that implements electrical resistance as a circuit element.

Which simple device is used to either break an electric circuit or complete it?