A C In the figure above, which symbol represents the bulb? O A. D ОВ. А о С. В O D. C

Q: Water flows over a section of Niagara Falls at a rate of 1500 kg/s and falls 75 m. How many 60-W…

A: Given: The rate of fall of water is 1500 kg/s. The height of the fall is 75 m. The power of the bulb…

Q: 10 The emergency services are dealing with a toxic gas cloud aPoulnu a leaking gas cylinder 50…

A: Given:-dCdX=KCX: distance in metersC:concentrationa show that  C=C0 eKX  is solution of  above…

Q: Calculate the number of kilowatt-hours (kW-hrs)

A: we know relation between power and energy is  E = Pt where E is the energy   p is the power t is the…

Q: What is the use of a lightning rod? ri

A: Lighting rod: It is the metal rod mounted on the building, that is intercept the atmospheric…

Q: In which of the following situations will the light bulb light? List all that apply.

A:

Q: Choose the BEST answer to the following: The electric field inside the dome of a Van de Graaff…

A: The electrons inside the dome repel each other and they reach the domes outer sphere. This way the…

Q: 12 3 10 8. (w:

A:

Q: Arrange the illustrations below from numbers 1 to 6 to show the path of electricity from the…

A: SOlution:

Q: Select the list which contains only SI basic units. a. candela, kelvin, meter, second b. joule,…

A:

Q: The diagram below shows a battery and three light bulbs that are connected to an electric wire it…

A: If one of the bulbs is removed then the remaining bulbs will get  brighter. This is because the…

Q: 2. List down the energy consumed and produced by a light bulb.

A: Bulb consume electric energy .

Q: Name two types of conductor insulation designed to be used underground?

A: Underground cables can be used to transmit and distribute electrical power. Atypical underground…

Q: 42 194 8K → -°e +

A:

Q: Q1 A) A 70 W bulb is on for one hour. Find the energy converted in 1. watthours 2. watt seconds 3.…

A: Given data The power of the bulb is P = 70 W The duration of the bulb in which it is on is t = 1 h

Q: Which of the following would not make for a good insulator of electricity? O A metal pipe O Wood O…

A: Required : Which of the following is not a good insulator.

Q: What types of bulbs are good in the Bathroom Area? a. incandescent bulbs b. fluorescent c. LED…

A: Option (b) is correct  Fluorescent bulbs

Q: A B D + 1. Bulb B will glow more brightly than A. Bulb D will glow the brightest than A and B. Bulb…

A:

Q: I,= 2A in エ,=4A in ーlm

A:

Q: Explain what is electromagnetic induction, and use it to illustrate the working principle of an…

A:

Q: Q4) Ali is trying to make his mind between two different types of light bulbs to be installed in his…

A: Option 1, CFL lightIllumination rating = 1800 lumenconsumes = 95 wattservice life = 650 hrs Option…

Q: Light sensors are widely used in energy-efficient lighting control. List the three major types of…

A: Light sensor at the device is that convert light energy into electrical signal. The three different…

Q: What is unit of Viscosity ?   A) coulomb B) newton second per square meter C) watt per meter per…

A: We know that in the CGS system the unit for dynamic viscosity is  centipoise (cP). We must remember…

Q: . Explain why parts of the bulb need to be insulators 3 Explain why parts of the bulb need to be…

A: 2 Insulators are those materials through which electricity cannot travel that means it doesn't…

Q: . Create a good label (name) for each signal described below: (a)*A sensor outputs a LOW when the…

A:

Q: An extension cord that you would use for a lamp is much thinner than an extension cord recommended…

A: Heat generated in any resistance depends on the square of current and resistance of the circuit. H =…

Q: What is electrical energy? A. The sound of an explosion B. Energy released by a temp change C. The…

A:

Q: 3. Give 5 energy saving tips. Write it in the graphic organizer(bulb) below. Enerqy Saving Tips

A: here are few tips for saving energy.

Q: a 3. 22 20 ww

A: Potential difference V = IR

Q: 45. Which of the following pairs of statements correctly matches energy losses in a *ransformer with…

A: Out of the given pairs of energy losses and their method of reduction. Hysteresis loss and Flux…

Q: A utility company charges 15¢ per kilowatt-hour of electricity. How much does it cost to keep a…

A: Given: charges = 15 c per KW-hpower of bulb = 100 Wpower of LED = 25 W

Q: A 110-volt 12-Amps electric heater is required to heat up a 20 lbs of water with an initial…

A: The given data are listed below with appropriate variables. Here, V denotes the potential of a…

Q: The efficiency of a filament light bulb is 5%. A typical incandescent light bulb uses 60 W of…

A: Efficiency of filament light bulb (η %) = 5 % Power used by the light bulb (P) = 60 W

Q: III. Tracing Power A. Directions: Trace the pathway of electricity from its source to its…

A: This question is based on Our understanding of how electricity is generated and reaches our…

Q: Rank in order, from brightest to dimmest, the identical bulbs A to D.

A: Current flows from positive to negative so all the current will pass through A first. Then it will…

Q: The energy used by a 100 watt light bulb in 1 hour i

A:

Q: A body which absorbs or emits radiation ideally is referred to as a perfect ........ reflector…

A:

Q: Which material would get electrons from the source to the load the FASTEST? A. gold B. glass C.…

A: To discuss in which material electronsoves fastest.

Q: find the number of kilowatt-hours used by a 40-watt fluorescent lamp used 10 hours a day for one…

A: Power of the fluorescent lamp, P=40 W Time of usage per day, t=10 hr Electric power is the rate of…

Q: Which of the following is not a unit of energy? A) Calorie B) Joule C) electron volt D) Watt

A: To determine: The correct option.

Q: In which one of the following material , the electric charges move freely? a. Ebonite b. Silicon…

A: Generally valance electrons participate in conducting electricity. These electrons are also called…

Q: 44.) Which type of battery would you normally not buy for your car?

A: a) A dry cell battery is a battery which contains electrolyte that causes chemical reaction to…

Q: Putting an electric heating pad on your knee is an example of

A: In the question it is said that putting an electric heating pad on your knee  In electric heating…

Q: Calculate the total electrical energy consumed for a load usage of 7 lamps (23 watts each) for 13…

A: SOlution: given that P = 23 watts each

Q: 6. 13C + H → + gn 7. 140 Ba je + 56

A:

Q: Instruments for measuring Solar Radiation?   A) Ammeter B) Pyranometer C) Dynamometer D) Anemometer

A: An ammeter is an instrument for measuring the current, either direct or alternating current.   A…