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In the following question, a sentence has been given in Active/Passive Voice. Out of the four/five alternatives suggested, select the one which best expresses the same sentence in Passive/Active Voice. James Watt discovered the energy of steam.
- AThe energy of steam discovered James Watt.
- BThe energy of steam was discovered by James Watt.
- CJames Watt was discovered by the energy of steam.
- DJames Watt had discovered energy by the steam.
Correct answer: B