Physics, asked by deepeshmanhar7296, 6 months ago

when is the electric line of force straight?

Answers

Answered by ashutosh07032004

Answer:

when it come near the poles

Answered by rajinathawat

Answer:

Before the arrival of electricity, kerosene lamps dotted Bengaluru’s roads. Three men were specifically appointed to handle street lighting. One would clean the black soot left from the fuel that burnt the previous night, another would fill it with kerosene, while the third one would light the flame. An inspector oversaw the lighting scheme across the city. This was the standard practice until 7 pm on August 5, 1905. A large crowd that gathered around KR Market was wonderstruck when lights came on at the flick of a switch. That evening, Bengaluru became the first city in Asia to light up its streets with electricity.

“Hydroelectric power was harnessed from the Cauvery Falls at Shivanasamudra to power mining operations at Kolar Gold Fields (KGF). The transmission lines passed through Bengaluru. Later, when the hydroelectric power station generated excess power, it was used to light up the streets in the city,” said urban historian Yashaswini Sharma.

The idea of harnessing power from the Shivanasamudra came from Major ACJ de Lotbiniere when Seshadri Iyer was the dewan of Mysore. Harry Parker Gibbs, chief electrical engineer of Mysore, oversaw the execution of the scheme. John Taylor & Sons of London, which controlled most mining activities in KGF, also supported it. Power was transmitted across 150 km from Shivanasamudra to KGF.

Present day view of KR Market in Bengaluru. It was here that the first lights came on in August 1905.

In 1905, when about 2,000 HP of surplus power was generated, Maharaja Nalwadi Krishnaraja Wadiyar decided that the excess power would be diverted to Bengaluru. Electrification in the old city was monitored by the Mysore maharaja, while the British controlled it in the cantonment. The plans for substations and circuits had to be drawn keeping in mind the latter’s Indian Electricity Act.

“The first power substation ‘A’ was installed in KR Market, which was a prominent city square back then. Sir John Hewett, member of the viceroy’s council, inaugurated the street lamps. Also present was Dewan PN Krishnamurti,” said Sharma. Initially, over 800 lamps — a cluster of four lights on a tall castiron pole — were lit at prominent locations across the city. According to Sharma, the power station at KR Market was moved to Anand Rao Circle in the 1920s. Two more substations were created on MG Road and at the Cantonment Railway Station. The B-station on MG Road is said to have first lit up the East Parade Church.

The state archives show that the electrification of the city cost Rs 6 lakh in total with an initial annual maintenance expense of Rs 50,000. In a year’s time, there were over 1,630 domestic connections. With a monthly charge of Rs 1 per electric bulb, this scheme helped the administration earn an annual income of over Rs 1 lakh. Over the years, the wrought iron lamp posts fell into disuse. Two of them were moved to the BBMP office premises a few years ago.

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when is the electric line of force straight?​

Answers

when is the electric line of force straight?