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How can i calculate amperes for transformers?
Find the wire from the secondary of the transformer. If it's a step-down transformer the thicker wire is the secondary. Measure its diameter in inches and calculate its cross-section area in square inches. The current rating for transformer wire is 1000 amps per square inch, or 1.55 amps per square mm.
When a wire is bent to form a square its area becomes A square cm square What is length of the wire?
(4 times the square root of 'A') centimeters.
A square wire loop 11.0 on each side carries a clockwise current of 16.0 Find the magnitude of th?
2.75 * 10^-7 t
Why wire size in square mm?
That would refer to the cross-section. A wire that has twice the diameter of another wire would have 4 times the cross-section - and therefore 4 times as much weight per meter, and 4 times as much current-carrying capacity.
Can you add another appliance to a circuit by simply changing breaker to a larger amperage?
The most sensible solution is to get a qualified electrician to check the wiring to see what the maximum load should be, and if necessary re-wire with higher capacity wire/configuration. You can (there is nothing physically to stop you), but whether it is a good idea or not is a totally different matter - you risk starting a fire if you do. The breaker amperage is set based on the wiring of the circuit - the wire used, along with how the wiring has been done, will limit the maximum current that can be allowed through the circuit; if this maximum is exceeded there is a risk of the wiring overheating and causing a fire.
