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[" 23A family uses "8" with a "20%" to o...

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A family uses 8 kW of power, (a) Direct solar energy is incident on the horizontal surface at an average rate of 200 W per square meter. If 20% of this energy can be converted to useful electrical energy, how large an area is needed to supply 8 kW? (b) Compare this area to that of the roof of a typical house.

A family uses 8kW of power. (a) Direct solar energy is incident on the horizontal surface at an average rate of 200 W per square metre. If 20% of this energy can be converted to useful electrical energy, how large an area is needed to supply 8kW? (a) Compare this area to that of the roof of a typical house.

A family uses 8kW of power. (a) Direct solar energy is incident on the horizontal surface at an average rate of 200 W per square metre. If 20% of this energy can be converted to useful electrical energy, how large an area is needed to supply 8kW? (a) Compare this area to that of the roof of a typical house.

A family uses 8 kW of power. Direct solar energy is incident on the horizontal surface at an average rate of 200 W per square meter. If 20% of this energy can be converted to useful electrical energy, how large an area is needed to supply 8 kW?

A family uses 8 kW of power:- Direct solar energy is incident on the horizontal surface at an average rate of 200 W per square meter. If 20% of this energy can be converted to useful electrical energy, how large an area is needed to supply 8 kW?

A family uses 8 kW of power. Direct solar energy is incident on the horizontal surface at an average rate of 200W per sq. m. If 20% of this energy can be converted into useful electrical energy, how large an area is needed to supply 8 kW?

A family uses 8kW of power. Direct solar energy is incident on the horizontal surface at an average rate of 200W per square meter.If 20% of this energy can be converted to useful electrical energy,how large an area is needed to supply 8kW ?

A large family uses 8KW of power. Direct solar energy is incident on the horizontal surface at an average rate of 200Wm^-2 . If 20% of this energy can be converted to useful electrical energy, how large an area is needed to supply 8kW ?