What is a LED grow lamp?

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What is a LED grow light?

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How does an LED grow light work?

How does an LED grow light work?
Answer : An LED grow light works by emitting light in specific wavelengths (colors) that plants need for photosynthesis, which is the process they use to convert light into energy for growth. Here's a ... spectrum of light for plants to grow and thrive indoors, while being energy-efficient and long-lasting....

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How do you wire a LED table lamp?

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What is a LED road lamp?

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What is a LED desk lamp?

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What is a LED flood lamp?

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What is a LED task lamp?

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How do you create a multi-colored LED lamp?

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Does a LED lamp obey Ohm's law?

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Does a LED lamp obey Ohms law?

Does a LED lamp obey Ohms law?
Answer : A typical LED (Light Emitting Diode) does not strictly obey Ohm's Law in the same way a simple resistor does, but it is still influenced by the principles behind Ohm's Law. Ohm' ... sense, their behavior can be understood using similar principles if we account for their non-linear characteristics....

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How do you design an LED lamp?

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Compare the salient features of LED and CFL based on (i) Lamp efficiency (ii) Life span.

Compare the salient features of LED and CFL based on (i) Lamp efficiency (ii) Life span.
Answer : Here's a comparison of **LED** and **CFL** based on **lamp efficiency** and **lifespan**: ### 1. **Lamp Efficiency:** - **LED (Light Emitting Diode)**: - **Efficiency**: LED lamps ... and **last longer** than **CFLs**, making them the better choice in terms of both energy savings and longevity....

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What is a compact fluorescent lamp (CFL)?

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Why does a lamp not obey Ohms law?

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Describe the control of a single lamp from three places. Draw the relevant circuit diagram.

Describe the control of a single lamp from three places. Draw the relevant circuit diagram.
Answer : To control a single lamp from three different places, we can use a **three-way switch** system. In this setup, we use three switches to control the lamp, which is typically used in large rooms or ... of **two-way switches** and **three-way switches**, with the proper connection of traveler wires....

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A workshop measures 10m × 25m. The shop is illuminated by 24 lamps of 200 watts each. The lumen efficiency of each lamp is 15 lumens per watt. Depreciation factor is assumed to be 0.8 and a coefficient of utilization 0.5. Determine the illumination on the working plane.

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Illustrate with neat wiring diagram a single lamp control by two-point method.

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A uniform illumination of 150 lux is to be obtained on the floor of a room measuring 15m x 15m by arranging electric lights suitably. Calculate the number of lamps and wattage of each lamp if lamp efficiency is 20 lumens/watt. Assume and write suitable values of constants required for this calculation.

A uniform illumination of 150 lux is to be obtained on the floor of a room measuring 15m x 15m by arranging electric lights suitably. Calculate the number of lamps and wattage of each ... lamp efficiency is 20 lumens/watt. Assume and write suitable values of constants required for this calculation.

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Explain control of a single lamp from four places. Draw the relevant circuit diagram.

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Write any four safety measures and precautions to be followed for a special purpose lamp.

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State the factors to be considered while selecting a lamp for a particular application.

State the factors to be considered while selecting a lamp for a particular application.
Answer : When selecting a lamp for a particular application, several factors should be considered to ensure optimal performance, energy efficiency, and suitability for the task. Here are the key ... ensuring it meets both functional and aesthetic requirements while being cost-effective and energy-efficient....

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Illustrate with neat wiring diagram a single lamp control by two point method.

Illustrate with neat wiring diagram a single lamp control by two point method.
Answer : The **Two-Point Control Method** is commonly used for controlling a single lamp from two different locations, often seen in stairways or hallways. In this method, two switches (called **Two-Way ... a basic circuit where you can use two-way switches to control a lamp from two different locations....

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What is the purpose of a ballast in a fluorescent lamp circuit?

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What is the principle of slit lamp?

What is the principle of slit lamp?
Answer : A slit lamp is a microscope used by eye doctors to examine the eye, particularly the front part, including the cornea, iris, lens, and the anterior chamber. It works on the principle of ** ... doctors to see and examine the front and middle parts of the eye clearly using light and magnification....

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What is the principle of lamp test?

What is the principle of lamp test?
Answer : The lamp test is a simple diagnostic method used to check the condition of electrical circuits and components, especially in the context of vehicles, electrical systems, or home appliances. The ... . It's a quick and basic way to troubleshoot electrical systems without needing specialized tools....

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What is the principle of sodium lamp?

What is the principle of sodium lamp?
Answer : The principle of a **sodium vapor lamp** (often referred to as a **sodium lamp**) is based on the **electrical excitation of sodium gas** inside the lamp. Here's a simple breakdown of ... gas to emit light, and the color of the light emitted is primarily yellow, which is characteristic of sodium....

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Which lamp is used in the Newton-Ring experiment?

Which lamp is used in the Newton-Ring experiment?
Answer : In the Newton-Ring experiment, a **monochromatic light source** is used, typically a **sodium lamp** or a **laser**. 1. **Sodium Lamp**: This lamp emits yellow light with a ... (of a single color), so it produces clear interference patterns, which are essential for observing the Newton rings....

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If one lamp connects between two phases it will glow or not?

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State the use of following: (i) Screw driver (ii) Nose pliers (iii) Wire gauge (iv) Test lamp.

State the use of following: (i) Screw driver (ii) Nose pliers (iii) Wire gauge (iv) Test lamp.
Answer : Sure! Here's a simple explanation of each tool and its use: 1. **Screwdriver**: A screwdriver is a tool used for turning screws to fasten or loosen them. It typically has a handle ... or wire has current. Each of these tools plays a crucial role in everyday electrical and electronics work!...

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Draw wiring diagram for connection of one lamp controlled from two places. State the application of this connection.

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Draw circuit diagram for one lamp controlled with one switch.

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Describe the following energy conservation techniques in lighting system: i) replacing lamp source ii) using light control gear.

Describe the following energy conservation techniques in lighting system: i) replacing lamp source ii) using light control gear.
Answer : Here's a simple breakdown of the two energy conservation techniques in a lighting system: ### 1. **Replacing Lamp Source** Replacing the lamp source refers to swapping out older, ... can be significantly reduced. This helps in cutting down electricity costs and promoting sustainable energy use....

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State the selection criterion of the lamp for various purposes.

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Explain the working of HPMV Lamp with neat diagram.

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Define the terms incandescent and incandescent lamp.

Define the terms incandescent and incandescent lamp.
Answer : **Incandescent** refers to something that produces light as a result of being heated to a high temperature. When an object is incandescent, it glows because of the heat it's emitting. For example, when ... , an incandescent lamp is a light bulb that glows due to the heating of a filament inside it....

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State the factors considered for selection of mounting of fluorescent lamp in residential areas.

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Explain the working of fluorescent lamp.

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Explain the working of HID lamp.

Explain the working of HID lamp.
Answer : An **HID (High-Intensity Discharge)** lamp is a type of light source that produces light by creating an electric arc between two electrodes inside a gas-filled tube. Here's a simple breakdown of ... through a gas to produce light, and they are widely used due to their high efficiency and brightness....

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