Suppose the magnetic field B in the generator below is reduced in magnitude by a

ID: 1286538 • Letter: S

Question

Suppose the magnetic field B in the generator below is reduced in magnitude by a factor of four. By what factor will the AC voltage change?

The voltage increases by a factor of four.The voltage decreases by a factor of four. The voltage increases by a factor of sixteen.The voltage decreases by a factor of sixteen.There is no change in the voltage.

Suppose the magnetic field B in the generator below is reduced in magnitude by a factor of four. By what factor will the AC voltage change? The voltage increases by a factor of four.The voltage decreases by a factor of four. The voltage increases by a factor of sixteen.The voltage decreases by a factor of sixteen.There is no change in the voltage.

Explanation / Answer

voltage is directly proportional to magnetic feild

hence voltage decreases by four

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Suppose the magnetic field B in the generator below is reduced in magnitude by a

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