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Phone lines operate at 48 volts when you pick the phone up to make a call and while talking, but 90 volts are sent to the phone you are calling to make the phone ring. This is a holdover from the old rotary phones that had the bells that were struck by a little hammer.
Typical on-hook voltage is 48 volts DC, off-hook voltage 12 to 16 volts DC and ringing voltage 90 volts AC at 20 hertz.
These voltages vary, depending on the actual standards implemented by the telephone system you are using, and also how far away you are from the telephone company's exchange or central office.
about 4 volts - im nearly certain, but I dont remember the milliamps. hard answer to find online.
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How many volts make up electricity?
If you use the definition of electricity as; The supply of electric current to a house or other building for heating, lighting, or powering appliances, then any voltage will fit into this range.
What are electricity pylons used for?
Pylons are there to carry electric wires which send large amounts of electrical energy across the country from where it is generated to where it is used. Pylons usually carry electricity at many thousands of volts because this is the efficient way to transmit it. Typical voltages on pylons are 100,000 volts up to a limit of about a million volts. The wires carried on pylons are usually made of stranded aluminium with a steel core, with overall diameters up to about one inch. A line of pylons carrying six wires making up two 3-phase circuits and operating at 132,000 volts can carry a power of about 200 megawatts, enough for a town of 200,000 people.
How many volts in 1 ampere?
That's like asking how many meters in a liter. Ampere and Volt are two DIFFERENT measurements. Ampere is how much electricity you are using, while volts are how much pressure the electricity is under(Think water). If you want to figure out how many amperes your appliance is using you could use this formula: P=UxI (Watt=Volt x Ampere) or U=RxI(Volt=Resistance x Ampere).
How many volts are 16milli - volts?
0.016 volt
How many kilo volts of transmission line used for transmitting 700 mega watts power?
It depends upon how far you need to take it.
Cars use how many volts of electricity?
A car battery has usually 12 volts.
How many volts of electricity does a microwave have?
It has 1000 watts
How many volts are in police taser guns?
A tazer gun can be shot with 50000 volts of electricity.
How many volts is static electricity?
Static electricity can be just a few volts (that you might experience from a nylon carpet) - or tens of thousands from a lighting bolt !
How many wires supply electricity to your home?
There are three wires supplying power to your home two line wires @ 110 volts each and one nutral.
How many volts of electricity can an electric eels release?
about 450V to 600V
About how many volts of electricity are conducted by a standard taser?
From 50,000 to 150,000
What can be powered by 37.8 volts of electricity?
Many electronic items can be powered by 37.8 volts of electricity. These include some LED TVs, some smaller notebook computers, and tablets.
How many volts do lemons have?
A lemon produces about 7/10 of a volt of electricity.
How many volts of electricity can be generated when you shock somebody with static electricity?
Static electricity shocks typically range from 3,000 to 25,000 volts, although they can sometimes reach up to 100,000 volts. The amount of voltage generated depends on various factors such as humidity levels, surface materials, and the movement of the person being shocked.
How many volts are in the live line on a train track?
25000kv
How many lines can you run off 110 volts of electricity?
As many as will fit. The limit is usually determined by other factors, such as how many amps or watts are required rather than how many volts.
