GENERAL KNOWLEDGE

Detailed explanation-1: -He invented a precursor to the electric doorbell (specifically a bell that could be rung at a distance via an electric wire, 1831) and electric relay (1835). His work on the electromagnetic relay was the basis of the practical electrical telegraph, invented separately by Samuel F. B. Morse and Sir Charles Wheatstone.

Detailed explanation-2: -In 1876, at the age of 29, Alexander Graham Bell invented the telephone. In 1877, he formed the Bell Telephone Company, and in the same year married Mabel Hubbard and embarked on a yearlong honeymoon in Europe.

Detailed explanation-3: -Samuel Morse, or the “American Leonardo, ‘’ as one of his biographers labeled him, is remembered today as the inventor of the telegraph.