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A particular laser developed in 1995 at the University of Rochester, in New York, produced a beam of light that lasted for about one-billionth of a second. The power output of this beam was 6.0 x 10^ 13 W. Assume that all of the electrical power was converted into light and that 8.0 x 10^6 A of current was needed to produce this beam. How large was the voltage that produced the current?

Respuesta :

Power is the energy per unit time. When the current flow is needed to produce the beam. The voltage that produced the current is 7.5 x 10⁶ Volts.

What is power?

When voltage difference is created between the end of the conductor, the the power produced is the product of voltage and current.

P =VI

The power output of the beam is 6.0 x 10¹³ W and 8.0 x 10⁶ A of current was needed to produce this beam.

The voltage is calculated as

V= P / I

V=  (6.0 x 10¹³ ) / (8.0 x 10⁶)

V= 7.5 x 10⁶ Volts

Therefore, the voltage that produced the current is 7.5 x 10⁶ Volts.

Learn more about power.

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