Bulbs in street lighting are all connected in?

1 Answer

Answer :

Bulbs in street lighting are all connected in parallel.

Related questions

Description : Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as?

Last Answer : Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as 2 : 5.

Description : Three 60 W bulbs are in parallel across the 60 V power line. If one bulb burns open?

Last Answer : Three 60 W bulbs are in parallel across the 60 V power line. If one bulb burns open the other two bulbs will light.

Description : Two light bulbs are connected in series across a 120 V battery. Bulb 1 uses 40 W of power and Bulb 2 uses 20 W of power. If bulb 1 alone is connected to the 120 V source, then it will consume (A) 90 W (B) 80 W (C) 60 W (D) 180 W

Last Answer : Two light bulbs are connected in series across a 120 V battery. Bulb 1 uses 40 W of power and Bulb 2 uses 20 W of power. If bulb 1 alone is connected to the 120 V source, then it will consume 90 W

Description : How to Plant Bulbs

Last Answer : How to Plant Bulbs Flowering bulbs are a beautiful addition to any garden and are relatively easy to take care of. Here are the steps to plant flowering bulbs in your garden. Tools Bulbs ... Mark the spot where you planted your bulbs to avoid accidentally planting something else on the same spot.

Description : What is your favourite type of lighting?

Last Answer : multicolored Christmas lights on the tree… with different sections blinking at different intervals (most of you may say that’s tacky, but it’s a childhood thing)

Description : How To Make A Landscape Lighting

Last Answer : You have just finished arranging the landscape of your home's lawn. As you are about to marvel at the beauty of your creation, nighttime comes and spoils your proud moment. You want to stammer and ... lights won't turn on, you can reconnect or switch the wires with your supply of electric wire.

Description : How to match lighting for different rooms?

Last Answer : How to match lighting for different rooms? Designers claim that the "mood" of any apartment is created with the help of light. When choosing lighting for a particular room, some rules ... to avoid touching them with wet hands. Internal switches must also be carefully protected against moisture.

Description : Enlist the luminaries used in factory lighting and lux level required in various areas.

Last Answer : Area Luminaries Lux level Office building Fluorescent tube, LED, CFL 500 lux Testing centre Fluorescent tube, LED, CFL 400 to 500 lux Workshop/work place Halogen ... , LED, CFL, Projector lamp, filament lamp, Halogen Lamp, Metal Halide lamp etc Above 600 Lux

Description : State the various lighting calculations methods and Describe any one of them.

Last Answer : Lighting calculation methods: 1. Lumens or Light flux method 2. Point to point or Inverse Square law method 3. Watts per Square meter method i) Lumens or Light ... is taken according to the illumination desired on an average value considering overall efficiency of the lighting system.

Description : State the different types of outdoor flood lighting and where are they used.

Last Answer : There are three types of projectors used for flood lighting :  a) Narrow beam Projector b) Medium angle Projector c) Wide angle Projector a) Narrow beam Projectors: - Light beam with such ... yards, stadiums, car parking area etc. 3) It is used for illuminating advertisements, boarding's etc.

Description : State the purpose of lighting control. List the different types of dimmer.

Last Answer : Purpose of Lighting Control:- 1. To turn ON or OFF the lamps 2. For dimming: The dimming control permits the adjustment of lighting over a range. 3. For changing the lighting levels ... operated dimmer 6) Triac operated Dimmer 7) PWM (Pulse width modulation) Controlled technique.

Description : Explain the lighting scheme to be designed for each of the following: i) Special ward in hospitals ii) Dentist’s Cabin 

Last Answer : i) Special ward in hospital: For the patients in the wards, lighting should create a cozy and pleasant atmosphere. Lighting in the wards should be planned in such a way that it meets the specific ... we use such as cements and bonding agents that we use to restore your teeth back to health.

Description : Explain the features of Aquarium lighting. 

Last Answer : 1) The aquarium light depends upon the size of the aquarium tank (Length, width and depth)  2) The aquarium lighting depends upon the all surrounding condition e.g. colour and size of the given ... The aquarium lighting should be economical.  9) The life of the aquarium lighting should be long. 

Description : Define Enhance lighting.

Last Answer : Enhance lighting: Enhance lighting is the lighting with various colour effect and controlled light intensity, used for decoration and effective visualization of gold, silver, diamond and watches showroom purpose.

Description : Describe the following energy conservation methods of lighting system. i) By replacing lamp sources ii) Using light control gears.

Last Answer : Energy conservation methods of lighting system:  i) By replacing lamp sources:  Installation of energy efficient fluorescent lamps in place of Conventional fluorescent lamps. Installation of ... (HF) electronic ballasts in place of conventional ballasts which saves energy up to 35%.

Last Answer : Power for lighting in passanger coach, in a long distance electric train, is provided through individual generator of bogie and batteries.

Description : What do you do to replant a pot of daffodils or hyacinths, do you let the soil get dry?

Last Answer : answer:Here you go. This one is for hyacinths.

Description : Why are some mirrors more flattering than others?

Last Answer : Agreed!! There are fat mirrors and skinny mirrors – its usually the former of the two i find in change rooms, teamed with fluorescent lighting! not quite sure how or why it happens though…

Description : The hot resistance of the bulb's filament is higher than its cold resistance because the temperature co-efficient of the filament is?

Last Answer : This  is  because  resistance  of  a  conductor  increases  with  increase  in  temperature .

Description : What are some recessed lighting models that use the new CFL bulbs?

Last Answer : Most recessed lighting will use a CFL as you can now get much smaller CFL bulbs. The Juno Lighting Group ICPL626E (65$) and the Halo H272ICAT (40$) are both designed to use CFL bulbs.

Description : What track lighting models use CFL bulbs?

Last Answer : All track lighting models can use CFL bulbs. The important thing is that you get the correct CFL bulb as you must get the CFL bulbs that are designed for base up use like you find in track lights, ... lighting. If the track lights are dimmable you also want to be sure to get a dimmable CFL bulb.

Description : So who here is gonna be lighting bonfires in the street tomorrow for Guy Fawkes day?

Last Answer : Not me.

Description : Which of the following gas is mostly used in town for street and domestic lighting and heating?  A. Producer gas  B. Coal gas  C. Mond gas  D. Coke oven gas

Last Answer : Answer: B

Description : State any four specific requirements of street lighting.

Last Answer : Following specific requirements of street lighting: 1. The street lighting should be such that the object can be seen by driver of any vehicle. 2. The street lighting should be attractive. 3. It should ... . 3) To make the street more attractive. 4) To increase the community value of the street.

Description : In a Y-connected circuit, the magnitude of each line current is? A.one-third the phase current B.three times the corresponding phase current C.equal to the corresponding phase current D.zero

Last Answer : In a Y-connected circuit, the magnitude of each line current is? A.one-third the phase current B.three times the corresponding phase current C.equal to the corresponding phase current D.zero

Description : The primary coil of a transformer is connected to a 60 V ac source. The secondary coil is connected to a 330 ohms load. The turns ratio is 3:1. What is the secondary voltage? A.2 V B.20 V C.180 V D.18 V

Last Answer : The primary coil of a transformer is connected to a 60 V ac source. The secondary coil is connected to a 330 ohms load. The turns ratio is 3:1. What is the secondary voltage? A.2 V B.20 V C.180 V D.18 V

Description : A resistance of 3.3 M ohms is connected across a 500 V source. The resulting current is approximately? A.15.1 μA B.151 μA C.66 mA D.660 mA

Last Answer : A

Description : Two series resistors are connected to an ac source. If there are 7.5 V rms across one resistor and 4.2 V rms across the other, the peak source voltage is? A.16.54 V B.1.65 V C.10.60 V D.5.93 V

Last Answer : Two series resistors are connected to an ac source. If there are 7.5 V rms across one resistor and 4.2 V rms across the other, the peak source voltage is? A.16.54 V B.1.65 V C.10.60 V D.5.93 V

Description : Four amperes of current are measured through a 24 ohms resistor connected across a voltage source. How much voltage does the source produce? A.960 V B.9.6 V C.96 V D.8 V

Last Answer : Four amperes of current are measured through a 24 ohms resistor connected across a voltage source. How much voltage does the source produce? A.960 V B.9.6 V C.96 V D.8 V

Description : If three wires of 3 ohms, 9 ohms and 5 ohms respectively are connected in series, what their resultant resistance? A.10 ohms B.12 ohms C.17 ohms D.5 ohms

Last Answer : If three wires of 3 ohms, 9 ohms and 5 ohms respectively are connected in series, what their resultant resistance? A.10 ohms B.12 ohms C.17 ohms D.5 ohms

Description : What amount of current will flow through resistance of 10 ohms when it is connected across a potential difference of 20 volts? A.30 amperes B.5 amperes C.10 amperes D.2 amperes

Last Answer : 2 amperes

Description : A fuse should be connected in

Last Answer : A fuse should be connected in series with phase conductor

Description :  With three resistances connected in parallel, if each dissipates 20 W the total power supplied by the voltage source equals?

Last Answer : Power is the only thing which is additive in both connection whether it is parallel or series connection so total power consumed will addition of all individual power =20+20+20 = 60 watt

Description : Three identical resistors are first connected in parallel and then in series. The resultant resistance of the first combination to the second will be?

Last Answer : Three identical resistors are first connected in parallel and then in series. The resultant resistance of the first combination to the second will be 1/9 times.

Description : A 40 W bulb is connected in series with a room heater. If now 40 W bulb is replaced by 100 W bulb, the heater output will?

Last Answer : A 40 W bulb is connected in series with a room heater. If now 40 W bulb is replaced by 100 W bulb, the heater output will increase.

Description : Two resistances Rl and Ri are connected in series across the voltage source where Rl>Ri. The largest drop will be across?

Last Answer : Two resistances Rl and Ri are connected in series across the voltage source where Rl>Ri. The largest drop will be across Rl.

Description : Two resistors are said to be connected in series when?

Last Answer : Two resistors are said to be connected in series when same current passes in turn through both.

Description : In the illustration if BRANCH NO. 1 is a lighting circuit for crew's berthing, Federal Regulations (46 CFR) require the maximum fuse rating for that branch to be _________. EL-0013 A. 80% of the connected load B. 15 amps C. 20 amps D. 30 amps

Last Answer : Answer: C

Description : In the illustration if BRANCH NO. 1 is a lighting circuit for crew's berthing, 46 CFR requires the maximum fuse rating for that branch to be _________. EL-0013 A. 15 amps B. 80% of the connected load C. 20 amps D. 30 amps

Last Answer : Answer: C

Description : Two bulbs when connected in parallel to a source take 60 W each, the power consumed, when they are connected in series with the same source is

Last Answer : Two bulbs when connected in parallel to a source take 60 W each, the power consumed, when they are connected in series ... W B. 30 W C. 60 W D. 120 W

Description : Two bulbs 60 W and 100 W designed for voltage 220 V are connected in series across 220 V source. The net power dissipated is

Last Answer : Two bulbs 60 W and 100 W designed for voltage 220 V are connected in series across 220 V source. The net power ... B. 160 W C. `37.5 W` D. 60 W

Description : Assertion : Two identical bulbs when connected across a battery, produce a total power P. When they are connected across the same battery in series to

Last Answer : Assertion : Two identical bulbs when connected across a battery, produce a total power P. When they ... . If Assertion is false but Reason is true.

Description : Assertion : Two 60 W bulbs are first connected in series and then in parallel with same battery. Total power produced in second case will become four

Last Answer : Assertion : Two 60 W bulbs are first connected in series and then in parallel with same battery. ... D. If Assertion is false but Reason is true.

Description : Three electric bulbs of 200 W, 200 W and 400 W are connected as shown in figure. The resultant power of the combination is

Last Answer : Three electric bulbs of 200 W, 200 W and 400 W are connected as shown in figure. The resultant power of the ... W B. 400 W C. 200 W D. 600 W

Description : `B_(1), B_2 and B_3` are the three identical bulbs connected to a battery of steady emf with key `K` closed. What happens to the brightness of the bul

Last Answer : `B_(1), B_2 and B_3` are the three identical bulbs connected to a battery of steady emf with key `K` ... of the bulbs `B_(1)` and `B_(2)` decreases

Description : Two bulbs consume same energy when operated at `200 V and 300 V` , respectively . When these bulbs are connected in series across a dc source of `500

Last Answer : Two bulbs consume same energy when operated at `200 V and 300 V` , respectively . When these bulbs ... ratio of powers consumed across them is `2//3`

Description : Two bulbs 60 W and 100 W designed for voltage 220 V are connected in series across 220 V source. The net power dissipated is

Last Answer : Two bulbs 60 W and 100 W designed for voltage 220 V are connected in series across 220 V source. The net power ... `37.5` W B. 75W C. 80W D. 40 W

Description : Two 100 watt light bulbs are connected in parallel across a 100 volt power supply. The total power developed in the circuit is _______________. A. 200 watts B. 100 watts C. 50 watts D. equal to the product of the amperes times the voltage in each branch

Last Answer : Answer: A

Description : Two bulbs of 100w and 40w respectively are connected in series across a 230v supply which bulb will glow bright and why?

Last Answer : A:Since two bulbs are in series they will get equal amount of electrical current but as the supply voltage is constant across the bulb(P=V^2/R).So the resistance of 40W bulb is greater and voltage across 40W is more (V=IR) so 40W bulb will glow brighter.

Description : Two bulbs of 100w and 40w respectively connected in series across a 230v supply which bulb will glow bright and why?

Last Answer : Since two bulbs are in series they will get equal amount of electrical current but as the supply voltage is constant across the Bulb (P=V^2/R).So the resistance of 40W bulb is greater and voltage across 40W is more (V=IR) so 40W bulb will glow brighter.