answersLogoWhite

0

If that's a continuous load of 40 watts, you need quite a large battery, depending on how long the demand is. Car batteries supply more than 40 watts when running the cars lights when the car's ignition is switched off, so I guess something like a motorcycle battery would suffice.

User Avatar

Wiki User

16y ago

What else can I help you with?

Related Questions

How many 75 watt fluorescent bulbs are needed to give as much light as a 75 watt incandescent bulb?

A 15-watt fluorescent should produce about as much light as a 75-watt incandescent.


Is a watt a light bulb?

A 60 watt light bulb is a light bulb with 60 watts capacity. When talking about watts, you're talking about the power that is transferred from the appliance to the accessories. Therefore, the light bulb labeled "60 watts" takes 60 watts to light up. A 60 watt light bulb will not be as bright as a 120 watt light bulb.


Where do you find a watt?

A watt is a measurement of electricity, usually pertaining to light. Light bulbs luminosity is graded by wattage, such as a 60 watt bulb, 100 watt bulb and so on. You would find a watt in a light bulb, to start.


Is a 100w light bulb brighter than a 60w light bulb?

Yes, a 100-watt light bulb is brighter than a 60-watt light bulb because it produces more light.


What is the minimum watt of a light bulb for night reading?

40 watt light bulb. This is obvious. Go do an experiment. -_-


Was James Watt the first to invent the light bulb?

No, James Watt did not invent the light bulb. The light bulb was invented by Thomas Edison in 1879. James Watt was known for his improvements to the steam engine.


What it is the difference between 100 watts and 75 watt light bulb?

The main difference between a 100-watt and a 75-watt light bulb is the amount of light output they produce. A 100-watt bulb will be brighter and consume more energy compared to a 75-watt bulb. The 100-watt bulb may also generate more heat than the 75-watt bulb.


How much energy does a 5 watt light bulb use off?

A lot


How bright is 400 lumens?

This is a bit less light than a 40W incandescent bulb (much less than a 9-watt CFL bulb, but twice as much as a 5-watt CFL mini-bulb).


What is the recommended wattage for a 25 watt light bulb?

The recommended wattage for a 25 watt light bulb is 25 watts.


Compare and contrast a 60 watt and 100 watt light bulb?

The more energy that is transferred in a certain time, the greater the power. A 100W light bulb transfers more electrical energy each second than a 60W light bulb.The equation below shows the relationship between power, potential difference (voltage) and current:power (watts) = current (amps) x potential difference (volts)


What did one light bulb say to another light bulb?

"Watt's up?"