What principle do the Transformers work
Describe in brief on what principle do the Transformers work?
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The transformer is a static device which transfers electrical energy from one circuit to the other via inductively coupled conductors-the transformer's coils. Varying current in the first or primary winding makes a varying magnetic flux in the transformer's core and therefore a varying magnetic field via the secondary winding. This varying magnetic-field induces a varying electromotive force (EMF) or ‘voltage’ in the secondary winding. This effect is termed as mutual induction.
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The network demonstrated in figure below shows the input of a biomedical amplifier, here a capacitor, C, is utilized to block dc and the input impedance is taken as purely resistive, R. Q : Find out secondary voltage and number A step-down transformer that operating from a 50Hz mains supply of 220 Volt rms, is used to give a decrease voltage to a secondary power supply. The final delivers 400 Watt of power to a load consisting of an equivalent resistance of 10?. The transformer should have a
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