If an $AC$ main supply is given to be $220\,V$. The average $emf$ during a positive half cycle will be.....$V$
If an $AC$ main supply is given to be $220\,V$. The average $emf$ during a positive half cycle will be.....$V$
- [AIIMS 2009]
- A
$198$
- B
$200$
- C
$240$
- D
$200\sqrt 2$
Similar Questions
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The variation of $EMF$ with time for four types of generators are shown in the figures. Which amongst them can be called $AC$ ?
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- [NEET 2019]
An $ac$ source is rated at $220V, 50 Hz.$ The time taken for voltage to change from its peak value to zero is.....$sec$
An $ac$ source is rated at $220V, 50 Hz.$ The time taken for voltage to change from its peak value to zero is.....$sec$