Please help me with the following question. Please make sure to show all work an

Question

Please help me with the following question. Please make sure to show all work and explain your correct answer thoroughly. Thanks in advance!

In order to ru device that coodinarhousehold appliance from the cigarette lighter of a car, you can buy a device that converts the car battery's 12-V DC to un an ordinary household appliance from the cigar 110-V AC. One part of the circuit in such a akthe voltage alternating; another uses a transformer to increase the voltage. Does it make a difference in which order these two operations are carried out? device makes the voltage al

Explanation / Answer

Yes, it makes difference in which these two operations are carried out .

If DC supply is given to the primary of Transformer then DC current flows through primary winding which is       constant . For production of emf in any winding the current flowing through that must be sinusoidal since e=L*(dI/dt).

For DC input,no emf produced in primary winding. So net voltage in the primary winding will be (Vin = 0) . So, net voltage in the secondary winding will be (Vout = 0) .

So, in the circuit first device should be used to make voltage alternating , than the transformer is to be used to increase the voltage .

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