Question: Some solar energy systems are used to supplement the utility company power supplied to a home such that the meter runs backward if the solar

Some solar energy systems are used to supplement the utility company power supplied to a home such that the meter runs backward if the solar energy being generated is greater than the energy being used. With such a system, if the solar power averages 1.5 kW for a 3.0-h period and only 2.1kW . h is used during this period, what will be the change in the meter reading for this period?

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