The primary coil of a transformer contains 100 turns; the secondary has 200 turns. the primary coil is connected to a size aa battery that supplies a constant voltage of 1.5 volts. what voltage would be measured across the secondary coil?

3 volts

Explanation:

Number of turns in primary coil = = 100

Number of turns in secondary coil = = 200

Voltage across primary coil = = 1.5 volts

Voltage across secondary coil = = ?

In a transformer, the ratio of number of turns of primary to secondary coil is equal to the ratio of the respective voltages i.e.

Using the given values, we get:

Thus, the voltage measure across secondary coil would be 3 volts

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