LED lamp rated 9 W is on for 30 minutes and TV of 60 W is on for 2.5 hours. How much energy has been used? a. 68 Wh b. 360 Wh c. 420 Wh

Q: What will be total charge in coulombs by an assembly of 1051 electrons?

A: Electrons are negatively charged and the electronic charge in coulombs can be expressed as

Q: how many coulombs are represented by 2.46x10^19 electrons mC (ROUND OFF THE ANSWER TO THE NEAREST…

A: In this question we will find charge associated with given number of electrons....

Q: A 9V battery is connected to two parallel plates that are separated by 2cm of air. What is the…

A:

Q: 4. The solar energy can be converted directly into: A. Mechanical energy. B. Electrical energy. C.…

A: Solar Energy- Solar power is converted into thermal and electrical energy. Solar technologies…

Q: A current of 3A flows for 5 minutes. What charge is transferred?

A:

Q: 15 The unit of current is: (a) coulomb (c) volt (b) ampere (d) joule

A: Brief description: For the above question we need to find SI unit of current.

Q: The movement of electrons under the effect of electric field is directed from: Select one: O a…

A: Electrons are the negative charges.  The movement of electrons under the effect of electric field.

Q: 400 A and 35 volts of current is flows through the arc welding process. The length of the arc is 2.5…

A: Given  400 A and 35 volts of current is flows through the arc welding process. The length of the arc…

Q: If Si replaces the Ga in the solar cell, which type of semiconductor results? (p or n type

A: In this question We need to check the result If Si replaces the Ga in the solar cell, which type of…

Q: Find out the amount of energy required to move 1200 C charge through 30 V

A: Given information: The amount of charge is Q=1200 C The amount of potential difference is E=30 V

Q: Solar energy has very little negative impact to a. water use O b. chemical pollution O c. all of…

A: In this question , we will see solar energy effect..

Q: Convert 3000 W into the equivalent Btu/hour. Show all the steps.

A: The relation between watts (W) and Btu/hour can be expressed as 1 W=3.4121 Btu/hour

Q: A circuit delivers energy at the rate of 20 W and the current is 10 A. Determine the energy of each…

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Q: In an experiment, there are 12 air tight containers containing electrons. The number of electrons in…

A:

Q: The lumen rating of a 60W Incandescent lamp is 4200,Its Efficacy will be O a. 30% O b. 70% O C. 60%…

A: The efficacy is the measurement  of how efficiently light source produce visible light. It is…

Q: Q5/the resistance 4-band color 68 × 10² ± 5% ohm is: a. orange , black ,white ,gold b. blue ,violet…

A: Given: The resistance of 4 band color R=68×102±5%

Q: Energy can be lost to the atmosphere in the form of CO2 Heat Solar…

A: About 90 percent of energy may be lost through heat (inhalation), by movement, or by consumer…

Q: 1. A current of 3A flows for 60 seconds through a lamp. How much charge has moved? 2. If 28000 C of…

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Q: Which one of the following can produce a wide range of power from 5kW to 2MW? a. Solar O b. Fuel cel…

A: Need to find correct option

Q: 30n |Oov (I 150 250

A: Determine total resistance and total current for the given circuit .

Q: When 7A current is flowing in electric circuit then the electric potential difference between B B…

A:

Q: Question 2 Determine number of electrons transferred when a current of 5mA flows a fixed point for…

A: Given data, Current, I=5 mA Time t=10 minutes

Q: Number of electrons in 1 Coulomb charge is a) 6.25*1021 b) 6.25*1020 c) 6.25*1025 d) 6.25*1023

A: Given that  Q= 1 C  Althouigh formula of charge is given by

Q: Examine the circuit shown below. For each of the following elements, state how much power they…

A: in the given question total four elements are present. the voltage source is the active element that…

Q: Electrons are free to move about the crystal lattice. Select one: O True O False

A: Electrons: It is a subatomic particle, that have charge of negative electricity. The electrons are…

Q: The suitable lamps for street lighting are O a. Mercury vapour lamps O b. Sodium discharge lamps Oc.…

A:

Q: Connect the circuit shown in Figure 1.3. The power supply is set to 10V. LAMP E Figure 1.3

A:

Q: When the electric charge moves through an electrical conductor, there is a production of: current…

A: Brief description : In the above given question they are discussing about the electric property of a…

Electrical Heating Unit

The conversion of electrical energy to heat energy is known as electric heating. The heating system that converts the electrical energy to heat energy for various application is called electrical heating unit. Electricity is employed as the firing mechanism in electric heating systems, which transforms electric current to heat. Electric heaters have heating elements in the form of electric resistors.