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Question

Match the following

Currentsr.ms. values(1) x0sin ωt(i)x0(2)x0sin ωt cosωt(ii)x02(3)x0sinωt+x0cosωt(iii)x0(22)

A
1. (i), 2. (ii), 3(i)
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B
1. (ii), 2. (i), 3. (ii)
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C
1. (ii), 2. (iii), 3. (i)
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D
1. (ii), 2. (ii), 3. (i)
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Solution

The correct option is C 1. (ii), 2. (iii), 3. (i)

1. rms values=x02

2. x0sin ωt cosωt=x02sin2ωt rms value = x022

3. x0sin ωt+x0cosωtrms value = (x02)2+(x02)2

=x20=x0


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