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Question

Match the following
Currentsr.m.s values(1) x0 sin ω t(i) x0(2) x0 sin ω t cos ω t(ii) x02(3) x0 sin ω t+x0 cos ω t(iii) x0(22)

A
1. (i), 2. (ii), 3. (iii)
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B
1. (ii), 2. (iii), 3. (i)
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C
1. (i), 2. (iii), 3. (ii)
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D
None of these
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Solution

The correct option is B 1. (ii), 2. (iii), 3. (i)
1. rms value x02
2. x0 sin ω t cos ω t=x02 sin 2 ω trms value=x022
3. x0 sin ω t+x0 cos ω trms value=(x02)2+(x02)2=x20=x0

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