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Choose the incorrect statement.
Fleming's right hand rule is a simple rule to know the direction of induced current.
The right hand thumb rule is used to find the direction of magnetic fields due to current carrying conductors.
The difference between the direct and alternating currents is that the direct current always flows in one direction, where as the alternating current reverses its direction periodically.
In India, the AC changes direction after every1/50 second.
Here option (a), (b) and (c) are knowledge based options and are correct.
Option (d) is incorrect because the frequency of 'AC' in India is 50 cycle/s. So, time period of AC is 1/50 s. We know that, AC changes its direction after every half time period, i.e., 1/ (2 × 50) or1/100 s. So, in India the AC changes direction after every 1/100 s
By: santosh ProfileResourcesReport error
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