Physics · Alternating Current
Given below are two statements: an Assertion [As] and a Reason [R]. Assertion [As]: Alternating current (AC) is preferred over direct current (DC) for long-distance power transmission. Reason [R]: AC voltage can be stepped up or stepped down efficiently using transformers, reducing transmission energy losses. Choose the correct alternative:
- 1Both [As] and [R] are true, and [R] is the correct explanation of [As].✓
- 2Both [As] and [R] are true, but [R] is not the correct explanation of [As].
- 3[As] is true, but [R] is false.
- 4[As] is false, but [R] is true.
Correct answer
Both [As] and [R] are true, and [R] is the correct explanation of [As].
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