EXTRA CREDIT A Watt (unit of power) is Joules of Energy consumed per second. What is the total energy consumed by a resistor burning 20 Watts of power for 5 seconds? Joules

Q: A stove with 2 hotplates is used to prepare a meal. The first plate is rated at 1.5 kW, and the…

A: The stove uses two plates,  The first plate is rated at 1.5 kW The duration of usage is x minutes…

Q: 28. Energy is sold by the joule, but in common practice, bills for electrical energy are expressed…

A:

Q: Question-1: What is the total cost of using all of the following at 9 halala per kWh. A 1000 W…

A: Given, Rate of electricity is 9 halal per kWh. A 1000 W toaster for 45 minutes. Ten 50 W bulbs for 6…

Q: . How much is the per kWh

A: The rate of charge per kwh is ratio of the amount paid to the total energy consumed. The total…

Q: 5. A 220V 600-watt electric coffee maker is used to make a total of 10 cups of coffee in 45 minutes.…

A: Electrical energy is energy to ability to perform work and electrical energy is a type of kinetic…

Q: Calculate in joules and kilowatts. An hour is the amount of electrical energy consumed to light a…

A:

Q: Calculate the power dissipated by the element of an electric fire of resistance 30 when a current of…

A: First we will find out power then we will calculate energy then we will find number of unit then we…

Q: 01:- electrical heater (500w) (250V) calculate the current will draw by the heater and its…

A:

Q: An appliance uses 114 watts and is on 8 hours per day. If electricity costs 18 cents per…

A:

Q: If the cost of the insulation is P5,000 ft2, what time will be required to pay for this insulation?…

A: Net energy saved is 250.792 BTU/hrft2Considering 1 ft2 as basis

Q: What is the cost of using 6 hp motor for 10 hours if rate is 400 dollar per killo watt hour.

A: Given rating is -

Q: How much energy does a 100 W electric bulb consume in two hours?

A: Given:  Power consumed by electric bulb = 100 W…

Q: If 1 unit of electricity costs about 2 USD, then how much electric bill will be generated if a 100 W…

A: 1 unit of electricity is equivalent to 1 kilowatthours (kWh) of electrical energy. It is to be noted…

Q: How much energy (in kilowatt-hours) is required to light a 100watt bulb (continuously for 1 year =…

A: Energy required to bulb= power* time in hours in a year. number of hours in a year = Number of days…

Q: 150 ЗА (Т) T)41 E3V

A:

Q: The power to a device is 40 joules per second (J/s).  How long will it take to deliver 640J?

A: Given data: To power the device power required is P= 40 Joules/sec The energy required to be…

Q: Calculate the power delivered by the battery

A: we take a ideal battery.having internal resistance zero.

Q: The electrical Energy consumed by a 200 W electric bulb in 3 hours is equal to Watt-Hour

A: In this question we will find energy consumption and current...0

Q: A water jet consumes "3X50" W for 126 hours a week. What is the energy consumed (kWh) for a one-year…

A:

Q: When a certain 1.5-V batter is used to power a 3-W flashlight bulb, it is dead after 60 minutes of…

A:

Q: What is the efficiency of a system if the output power is 9 hp and the input voltage is 240 V and…

A:

Q: If a load draws 15 mA from a 9 V battery, what power (in W to two sig. figs.) does the load draw

A: In this question, We need to calculate the power? If a load draws 15 mA from a 9 V battery.

Q: A total of 0.8 kg of water at 20 degC is placed in a 1-kW electric kettle. How long in minutes will…

A: The solution can be achieved as follows.

Q: How many watt seconds are supplied by a motor developing 2 hp (British) for 5 hours ?

A: Given: A motor developing 2 hp (British) for 5 hours Rating in watt seconds =?

Q: What are the watt-seconds supplied by a motor developing 3 British hp for 4 hours?

A: Given, Motor rating is 3 HP British Time t=4 hours

Q: What is the cost of running it for one year if electricity

A: Given, An electric water heater consumes 5 kW for 2 hours per day. So per day energy consumption is…

Q: Calculate the electricity bill amount for a month of February, if 2 bulbs of 40 W for 4 h, 5 tube…

A:

Q: How much power in kW can a machine do with 600 kWh of work in 12 hours?

A: kWh is the units of Energy  Energy is the product of power and time. Power expressed in kW and time…

Q: Power of the devices indicated in the table given considering; electrical items you use in your…

A:

Q: A silver bar, with 20x20cm dimension, has a length of 100 inches. What is the resistance of the bar…

A:

Q: If 420 J of energy are absorbed by a resistor in 19 min, what is the power to the resistor?

A: Power absorbed by the resistor = Energy absorbed in JTime in seconds. 1 min = 60 sec Given , Energy…

Q: 5. (10) A load of 10 ohms was connected to a 12-volt battery. The current drawn was 1.18 amperes.…

A: Given: Load resistance, RL=10 Ω Source voltage, V=12 V Current drawn, I=1.18 A

Q: ten electric heaters, each taking 200 watts were used to dry out on site on electric machine which…

A: Given that  Power rating of each heater  is 200 w Time of usage t= 60hrs V= 240 v Cost C =…

Q: a 12 volts battery has a 50 ampere-hour capacity. The internal resistance is 0.1 ohm. A 15-ohm load…

A:

Q: A current of 0.3 Ampere flowing through the filament of a device releases 9.45 Joules of heat energy…

A: It is given that: I=0.3 Aε=9.45 joulest=5 sec

Q: calculate the power absorbed by a load of

A: DC Shunt Generator   Given,Ra=1 ohm,RL=10 ohm           Rch=50 ohmNumber of Pole (P)=4Flux per…

Q: An electrical equipment in an office takes a current of 20 A from a 230V supply. The equipment is…

A: Given data, Current is given I = 20 A Voltage V =230 V Time t = 30 hour

Q: If a person requires 100W of power for basic functioning, how many Calories do they need to consume…

A:

Q: 10 kN 8 k2 Vo 5 kN Vs 2 kN

A: The solution can be achieved as follows.

Q: If the current through a 220kohm resistor is 20mA, what is the power absorbed by the resistor? (Give…

A:

Q: 7.) A silver bar, with 20x20cm dimension, has a length of 100 inches. What is the resistance of the…

A:

Q: The Power dissipated by a device is 40 Watts. How long will it take to deliver 640 Joules?

A: We know that power of an entity is defias the amount of work done or energy spent per unit time i,e.…

Q: The Cost of Electricity Watts and kilowatts are measurements of the work being done as electric…

A:

Q: Which unit is used to measure an amount of electric energy? O watts volts amps joules

A:

Q: What is the equivalent of 722 Hp into watts?

A:

Q: 6.1 A Car battery is rated for 12 Volts, 5 Ah rechargeable battery can be operated for about 10…

A: Given, A battery with V=12 VQ=5 Aht=10 h

Q: The Cost of Electricity Watts and kilowatts are measurements of the work being done as electric…

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

Motor Load, Torque, and Power Quality Requirement

An electric motor is a gadget that changes electrical energy into mechanical energy over to follow up on a mechanical burden. The weight set on the motor because of this mechanical movement is known as motor load. Appropriately matching the motor burden to the engine is vital to forestall harm to the engine or wasteful and unnecessary expensive activity. Engines perform such undertakings as moving a thing starting with one spot then onto the next, cutting it, changing its shape, etc. The motors might be evaluated as far as a few variables including power yield, voltage, current, and temperature. Harm to an engine might happen when it is worked under over the top engine load contrasted with its appraised limit.