Explain the function of Ballast and Starter in the discharge lamp

Q: A ___ is a plug fuse that is nontamperable and noninterchangeable because of its special design.An…

A: A ___ is a plug fuse that is non-tamperable and non-interchangeable because of its special design.…

Q: In what way are the main power contacts of a contactor different from auxiliary contacts

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Q: 5. Refer to the circuit shown in Figure 27–2. Assume that the HOA switch is in the Hand position and…

A: A Hand-off-automatic (HOA) controls are used to allow an operator to force a contact on, force it…

Q: What will happen to the fan if the rating of the fuse is 4A? Explain   How does the resistance…

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Q: An electric fuse consist of a small strip of wire with a low melting temperature. The current in the…

A: Given  2 fuses with current  I1 = 10 A & I2 = 20 A

Q: Electric shock may directly result in

A: When current passes over or through a human's body, it result in electrical shock. It's consequences…

Q: Write short notes on ENERGY CONTROL CENTER.

A: It is the managing and decision center for any complex power system which contains several…

Q: What is a starte

A: A motor is an electromechanical device which is used to convert the electrical power into mechanical…

Q: What is the negative effect of operation a contactor coil above or below it's rated voltage

A: The contactor operational limit is 85 to 110 percent of the rated coil voltage.   The percent…

Q: Draw a WIRING DIAGRAM for wiring Push Button Switch (P) to control Tungsten Lamp (L) and Bell…

A: Given: To find: Draw a WIRING DIAGRAM for wiring Push Button Switch (P) to control Tungsten Lamp…

Q: In how many seconds will a NEMA Class 10 overload trip when current is 6x its rated amperage…

A: The motor overload tripping curve for different NEMA class overload trip is shown:

Q: i) a) Draw the symbol and schematic diagram of moving iron meter. b) List out the range of basic…

A: as per question requirement i have to answer any two question. we need to draw the symbol and the…

Q: Draw an elementary diagram of a pressure switch controlling a motor starter

A: Elementary diagram of a pressure switch controlling a motor starter, A basic diagram is a type of…

Q: combinations of switches

A:

Q: Which Battery is discharging and which one is charging ? and why ?

A:

Q: There are two types of switch's in the electrical circuit attached . What is the state of each type…

A:

Q: QUESTION 14 The diagram shows an electromagnet electric pell. Describe how the bell on the right…

A: When the switch is closed, the electromagnet magnetizes and attracts the soft iron armature of the…

Q: 3. What is a Synchronizing Lamp?

A: Synchronizing lamps method uses three lamps that are connected between the generator terminals and…

Q: Describe a small "switch" that can be turned on or off with one finger.

A: Switches are electrical device used to break or make an electrical circuit. Types of switches…

Q: Vapor lock can occur when the vapor pressure of the fuel is too __________(high or low).

A: Vapour lock

Q: Explain the effect of the generated emf of a d.c. motor and why a d.c motor starter is necessary.

A:

Q: What is the mechanism of operation motion control lamp

A: mechanism of operation motion control lamp:

Q: Fill in the blank _______________ is possible because of the residual magnetism in the stator pole…

A: When current is reduced to zero then there will be magnetic power still left in the core of the coil…

Q: Connect the initial circuit as shown in Figure 47-1. 2. Set VA at 20 volts. Insert a jumper wire…

A:

Q: Switch Type Rotary Switch (6 way) Symbol Voltage Current No. of pins Contact& Insulation Resistance…

A: Rotary Switch: It is a switch operated by Rotation.There are many applications using Rotary switch…

Q: Make a labeled circuit for pre-engaged type starter

A: Pre-engaged type starter - The pre-engaged starter motor is employed for high-compression engines…

Q: Why are electric heaters staged

A: There are many ways to control an electric  heater: modulating (0-10Vdc), pulse (24Vac or dry…

Q: When it comes to clamper circuits, what is the difference between positive and negative clippers?

A:

Q: Rocker switch (SPST) Push Button Switch (Push to make)

A: SWITCH Switches are an integral part of electronics device. Which almost every electronic device has…

Q: Complete the information in the table about rotary switch 8 way and micro switch

A: here in the question the details about the rotary switch and the micro switch is required.  these…

Q: a) Draw the symbol and schematic diagram of moving iron meter.

A: The given questions are different. As per bartleby expert policy, only one individual question is to…

Q: High Speed Very sensitive to The Disadvantage of Air Blast Circuit Long Arcing Both option A…

A: Dear student as per our guidelines we are supposed to solve only one question.kindly repost other…

Q: Explain by drawing how intermediate switch is working in ON and OFF position.

A: It is a very useful switch with four terminal and commonly used when we need to control a light…

Q: ENUMERATION. List down or enumerate what are asked for in each number. 1. Common types of light…

A: We are authorized to answer three subparts at a time since you have not mentioned which part you are…

Q: Explain the operation of the switchover valve and its purpose

A:

Q: 27. Cartridge fuses and fuse holders shall be classified according to their NEC 240.61. ranges per…

A:

Q: In the distribution board is used to protect human from the electric shock SWITCH

A: ELCB: ELCB stands for Earth Leakage Circuit Breaker. When a current leak occurs due to insulation…

Q: What can you do to reduce or eliminate the possibility of receiving an electric shock when working…

A: While working on electric circuits, possibilities of getting shocks is more. Therefore to eliminate…

Q: Problem 3.) Enumerate each of the following Control system if falls open loop or close loop. a.…

A: Five devices are given. We need to enumerate each of the device whether they fall in open loop or…

Q: Explain how DOL magnetic starter works step by step with diagram and pictures.

A: The DOL method which is also known as the Direct On Line starting method, It is started with rated…

Q: How does short circuit protection of automatic fuse take place? a) Magnetic b) Thermal c)Thermic d)…

A: B)Thermal   Fuse is a piece of wire of a material with a very low melting point. When a high current…