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Why emf is not zero when field current is zero?
because zero is zero
A device that provides an emf?
EMF (short for "electromotive force" - not a well-chosen name, since it isn't exactly a force) is more properly called a "voltage". A device that provides that can be a battery, or you can get the voltage from the outlets in your home.
What is the term for he phenomenon of emf development between two different metals placed in contact?
thermocouple effect
What can help detect a carbon monoxide build up?
Carbon monoxide detector
What is the Condition for terminal voltage across a secondary cell to be equal to its emf?
in an open circuit, i.e. no current drawn from the cell, producing no drop across its internal impedance
Where can a EMF detector be bought?
EMF detectors can be purchased at stores such as Amazon and Home Depot. It is also possible to download an EMF detector app to your phone, computer, or tablet.
Who invented EMF?
danver apilado
When was the fire detector invented?
The ionization type smoke detector was invented in 1931 in Switzerland.
What button do you press on the elevator on ghost story island?
Use your EMF Detector and go inside the elevator.
How do EMs work?
The EMF works by detecting electromagnetic fields that are present. You use an EMF detector, like a K-II meter to detect these fields. EMF fields that are too high can be dangerous, and can cause nausea, dizziness, paranoia, and other things.
When was the medal detector made?
The metal detector was invented in 1931 by Gerhard Fisher.
When was the metal detector made?
The metal detector was invented in 1931 by Gerhard Fisher.
Who invented the smoke detector?
timothy lunsford
When was the heart detector invented?
IF you are alive, you have a heart
When was a motion detector invented?
In 1209 the first motion detector was intended by Ben Ray Alexander wheat
Why was the lie detector invented?
to see if people were lying
Who invented the electric field detector?
ralph fitsherburt
