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Byju's Answer
Standard XII
Physics
AC Applied to a Resistor
If instantane...
Question
If instantaneous current is given by i=4coswt + ϕ amperes, then the r.m.s. value of current is
A
4 amperes
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B
2
√2
amperes
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C
1 ampere
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D
Zero amperes
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Solution
The correct option is
B
2
√2
amperes
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0
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