Physics

Problem

A Carnot's engine working between

400 \text{ K}

and

800 \text{ K}

has a work output of

1200 \text{ J}

per cycle. The amount of heat energy supplied to the engine from the source in each cycle is : (1)

3200 \text{ J}

(2)

1800 \text{ J}

(3)

1600 \text{ J}

(4)

2400 \text{ J}