Knowee
Questions
Features
Study Tools

Three such bulbs burn for 5hrs at a stretch. What is the energy consumed?

Question

Three such bulbs burn for 5hrs at a stretch. What is the energy consumed?

🧐 Not the exact question you are looking for?Go ask a question

Solution

To calculate the energy consumed by three bulbs burning for 5 hours at a stretch, we need to know the power rating of each bulb. The power rating is usually given in watts (W).

Let's assume that each bulb has a power rating of P watts.

The energy consumed by a bulb can be calculated using the formula:

Energy (in watt-hours) = Power (in watts) x Time (in hours)

For one bulb burning for 5 hours, the energy consumed would be:

Energy consumed by one bulb = P watts x 5 hours

Since we have three bulbs burning for 5 hours, the total energy consumed would be:

Total energy consumed = Energy consumed by one bulb x 3

So, the total energy consumed by the three bulbs burning for 5 hours would be:

Total energy consumed = (P watts x 5 hours) x 3

Please provide the power rating of each bulb in order to calculate the energy consumed accurately.

This problem has been solved

Similar Questions

A bulb is rated at 330V- 110W. What do you think is its resistance? Three such bulbs burn for 5hrs at a stretch. What is the energy consumed? Calculate the cost in rupees if the rate is 70 paise per unit?

An energy-efficient light bulb transforms 100 J of input energy into 75 J of light energy. Another 25 J of heat energy is produced as waste.Calculate the light bulb's energy efficiency

How much energy in kilowatt hour is consumed in operating ten 50 watt bulbs for 10 hours per day in a month (30 days

Kaveri conducted an experiment to study the energy efficiency of differentbulbs. She connected a bulb A having a resistance of 100 ohms to a 240 Vpower supply in a laboratory.(a) How much energy will be consumed by the bulb, if it is kept ON for 4hours each day for a week? Express your answer in kJ.(b) Kaveri connects another similar bulb B in series with bulb A and connectsthe combination to a 240 V supply. Will there be any change in the brightnesswith which bulb A glows now? Explain mathematically.

A standard light globe is rated at 20W and typically lasts for around 1000 hours. How much energy does it use in its lifetime?

1/3

Upgrade your grade with Knowee

Get personalized homework help. Review tough concepts in more detail, or go deeper into your topic by exploring other relevant questions.